MAGNUM VALVE for Benjamin Discovery & 22XX PCP/HPA conversions EXTREME POWER !!! Brass end cap set for 22xx guns. Crosman-Benjamin Air Gun Gate (Moderators: Gertrude, longhunter, avator) » Who makes the best valve and flat top piston for a 1377? 13xx pump arm pin with clips to replace roll pin. Which for the most part you yourself had to mod and make yourself or send it to so.some. Separate pieces can be ordered if needed. UK ones always have had a blow by valve in 1322's originally had a square stem 1377's had a hole at the rear sometimes 180*s to the port later they just used the rear hole in the valve loads on line and on the crosman groups on how to fettle it you could just fit a ftp and valve … Sent my stock 1377 valve to charles mellon and he modded it into a flat valve, I bought the Flat piston from the yellow classifieds (with a strange pin at the flat end, see pics) . I opted to purchase a flat top piston and valve. Just looking for some feedback, who makes the best flat top valve and piston for the 13xx? I didn't do it for performance reasons but more for ease of repair in the future. Back in 1984 I bought my new Crosman model 1377 pump pistol. 002-0750 NEW BLUE 1377 Flat Top Piston Kit - gmac custom parts You will receive; One flat topped piston with two Viton o-rings, allen wrenches and instructions. I have a flat top in a 1322 pistol, but w/Cutter's breech so can't use the HDD. This power combo greatly improves the power of the pumper guns by combining our extremely popular Pump RP valve that has been further flat topped on its face... and our NEW (Oct. 2016) solid BRASS non-adjustable flat top piston.Yes, you read that right. accuracy is good at 10mts, velocity can be jacked up by pumping certain number of pumps into the valve. .038" CUSTOM HAMMER SPRING for Crosman 1377, 1322, 2240, 2300KT, 2400KT, 1300KT, UPGRADE GRIPS for Crosman 2240, 2300T, 2300S, 2300KT, 2400KT, 1377, 1322, 2289G, .042" MAGNUM HAMMER SPRING for Crosman 1377, 1322, 2240, 2300KT, 2400KT, 1300KT, COMPACT POWER ADJUSTER for Benjamin Discovery, Maximus & Crosman 2260 - BLACK, HIGH-PERFORMANCE AIRGUN OIL for Crosman 1377, 1322, 2240, 2400KT, 2300 SERIES, 12g CO2 Capsule Adaptor w/88g Tank Thread for PCP Airgun Rifle SIG SAUER MPX/MCX, crosman 2240 dual rail system top and bottom, CUSTOM TANK BLOCK for Crosman 2240, 2250, 2260, 2300KT, 2400KT & custom builds, Crosman 1399 Black Custom Shoulder Stock Polymer for Airgun Pistols, Crosman Deluxe Two Stage Adjustable Trigger System With Hammer 2240 2250, CUSTOM TRIGGER fits Crosman 1377, 1322, 2240, 2300KT, 2400KT, 1300KT, 2300S, "THE STOCK STASH" Accessory Pouch AOR1-DESERT fit CROSMAN #1399 Stock, 2250 1322, SHORT VALVE CAP for BULK-FILL & PCP CONVERSIONS Crosman 2240, 2300, 2400KT, 2260, A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is. All of whom are probably hanging out with worms six feet under. Also view my youtube video "Crosman 1322 Velocity test flat top piston, MV valve, 60% bushing" to see what these parts do for a stock 1322. This amount is subject to change until you make payment. Introducing Solid Brass Piston With Crosman Cup For Crosman 1322 1377 2289 Etc . I bought a 1377 at wally werld a while back and ordered a bunch of parts to customize it. Crosman 1377 for sale on eBay. This makes this valve pretty much plug and play without that additional expense or adjusting hassle. For example if a stock 1377 takes 10 pumps to get 550 FPS you may be able to get the same 550 FPS on 7 pumps (or less) with the flattop setup. by 100 fps. CUSTOM VALVE & PISTON for Crosman 1377, 1322, 1300KT, 2289G - EXTREME POWER !! Flat top valve and piston question for 1377 ?? Modding my Crosman 1377. The valve body, cap and piston head are machined from 7075 aluminum. td_boy Donator. It’s getting 530 fps with Premiers, but he hopes to increase this with a flat top piston. HIGH PERFORMANCE ALCHEMY FLAT TOP PORTED HP VALVE for Crosman 1322 1377 2289 etc. Brass Custom Parts . Mountain Air bolt and probe, Blue fork Barrel band, TKO shroud, Crosman 24″ barrel, Muzzle mac stainless steel screw kit, Muzzle mac wire stock, RB laminate grips, Air gun Smith trigger, Mountain Air trigger guide and spring, Barska scope, and BKL mounts. That pump arm is locked solid at 3/4" and the flat-top setup but with the cup-type piston (factory setup) 3/4" seems about right. 951-532-4715 9am - … RE: Flat top valve and piston question for 1377 ?? Installed an adjustable folding stock to make a carbine. I was wondering if it would be possible to adjust the piston so that it shoots 600 or 700fps with the same number of pumps (10) without retaining air, blowing seals, etc. Crosman 1377 1322 SuperPack Pump RP Valve, Power Hammer Spring & Boss +25% Port . Seller assumes all responsibility for this listing. $17.88. Does this valve diesel if oil gets into it? 4)- Casser l'angle de port d'échappement. $19.00. MCAirguns. + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J ... Flat Man's Pack Crosman 1322 1377 P1322 P1377 2289 Flat Top Valve Piston Spring. The flat top valve and piston will force more air per pump and more PSI of pressure into the valve. Share on Facebook - opens in a new window or tab, Share on Twitter - opens in a new window or tab, Share on Pinterest - opens in a new window or tab, This amount includes applicable customs duties, taxes, brokerage and other fees. Top … So, the entire kit is the: Power Hammer Spring (part of the Pumper's Pack) Max Flow Exhaust Bushing (the other half of the Pumper's Pack) Flat Top Valve; Flat Top Piston; It is my complete performance kit for the Crosman pumpers available at … With standard valve stem $45. Logged Argentine, Michigan; Hamerli AP20 Sumatra 2500 500cc .25 cal Hatsan M-125 TH .25 cal Benjamin Discovery .22 cal Crosman 140 2nd. Depending on who you listen to, with the shoulder stock screwed on it'll be classed as a rifle! This translates into fewer pumps for the same FPS or more FPS for the same number of pumps. It has a 24″ barrel, lighter valve spring, angled and enlarged valve and barrel ports, reduced valve stem, and poly port. 002-0750 NEW BLUE 1377 Flat Top Piston Kit. I have the mellon delrin piston. No New Post Nor New Registrations Allowed Here. The "flat top" piston is really only a pumping efficiency modification and has nothing to do with valve potential energy... only less pumps. i have done extensive mods to it thus far, lots of custom parts fitted into and onto it. It has a Daq breech, Mountain Air flat top valve and piston. Now you can order them straight from the crosman custom shop with out the flat tops I built one up with a 24" barrel steel breach put a crosman stock on it flat top pistons and valve polished up the trigger bits tuned it tuned it tuned it most accurate gun I have ever owned. ... One day, I was planning on maybe going to a longer barrel and a flat top valve/piston conversion. Please Go To The NEW GTA Forums: CLICK HERE. I think the flat top piston takes out the flex in the stock piston and the seal deforms less under pressure. View cart for details. Top Rated Seller. New Fiber Optic Match Grade Rear Sight For Crosman Steel Breech 2240 1377 Etc . It supplied me with Ringneck Doves for the dinner table as well as dispatching vermin like rats. Holds a little more air than the modern aluminum valves do. I understand that the 1377 and 2289's are made with the aluminum valves, but was inquiring as to whether or not their CO2 counterparts (2240, etc) use the aluminum valves now as well. Super high amount of views. Archived. C $119.21. What is this designed to do?. Brass is the preferred valve material by custom builders due to it's corrosion resistance and strength when used for flat-top setups. ... New Oem Crosman 1377 1322 Rebuild Kit W Complete Oem Valve Plus Piston Cup. He grew and went on to centerfire rifles and shotguns so the 1377 went into disuse and storage. i own a crosman 1377c multi-stroke pnuematic pistol. Use with … Read More $ 78.95 Add to cart. price: $30.00 ea. Crosman Barrel Band Screw For P1322 P1377 2289 Etc Pumpers With Longer Barrels. 568 sold, 5 available. Big 22xx bulk C02 valves. For additional information, see the Global Shipping Program, This amount includes applicable customs duties, taxes, brokerage and other fees. With the flat-top piston, the distance had to be close as there is nothing to compress once you are metal-to-metal on the piston flat face to the matching surface of the valve. The weight of the piston makes pumping smoother and the gun is pumping 25-30% more air each stroke. Brand New. Crosman 22xx series $65 ... 13xx custom Flat Top valves, $25. The custom piston pin is machined from tool steel with radiused ends to match the internal tube contour. Var Crosman 2200 Magnum 1st. Chris Dowling put together this 1377 rifle that has been converted to .22 caliber. $32.88 + $3.00 shipping Re: Flat top valve and piston question for 1377 ?. 17130 Van Buren Blvd. Flatman. Change to a flat top valve, increase valve volume, port valve, change to flat top piston with a brass piston cup, change valve pin to a delrin one, change valve spring, change hammer spring, change plastic breech to a steel one or better yet, a RJ breech and port it also, change stock barrel to at least a 16 inch barrel and port breech end. All the DIY needs to do is extract the cup, brass piece and aluminum washer and press the plastic piston head on in place of those parts. 7 pumps will do the same as 10 pumps with the standard … Super high amount of views. 90. orings, A must have for 13XX owners. Eradicator; Sharp Shooter; Posts: 584; Knoxville, TN; Who makes the best valve and flat top piston … DOES NOT REQUIRE the flat top adjustable piston . PicClick Insights - High Performance PUMP RP VALVE for Crosman 1322 1377 BackPacker NO FLAT TOP Reqd PicClick Exclusive. Posted by. Needed for Flat Top set ups. The idea is that by giving the gun a larger air reservoir, you can do more work per … 568 sold, 5 available. Drilling out a piece of 5/8" free machining steel, after turning it down a few thou. Hello Guys. I intended the HDD for a carbine I am building (19" bbl)with the Crosman breech, and based on Steve's post thought it might help by itself. So, the entire kit is the: Power Hammer Spring (part of the Pumper's Pack); Max Flow Exhaust Bushing (the other half of the Pumper's Pack) FLAT TOP RP VALVE & BRASS FLAT TOP PISTON SET for Crosman 13XX PUMPERS $56.00 $56.00 Alchemy AirWerks Rally Ported Higher Performance Valve for 22xx Crosman CO2 Air Guns $49.00 $49.00 The High Performance PUMP RP VALVE $28.00 $28.00 Alchemy AirWerks Flat Top HP Valve … Fully adjustable with the highest quality viton duro. Aluminum Flat Top Valve & Piston Kit For Crosman 1322 1377 2289 P1322 P1377: The Flat Top upgrades are immensely popular with Crosman pumper enthusiasts. in this video we give you the news on why your US full power valve is not as fast as it use to be, very interesting i must say I am sure you will enlighten us all. I'm looking for ways to increase the velocity on my 1377. Changed out all the plastic so its wood and metal only.Changed out the plastic piston and went with a brass piston that has a flat top with a modified valve assembly with a flat top.Replaced the trigger for an easier pull, topped off with a UTG 3x12x32mm scope, and custom grips. Solid brass flat-faced valve for use with a flat-top piston. Replacing the front half with the 1400 valve will make it easier to go with a flat top piston on the pump. 1377 Flat Top Piston is easy to install and can increase performance. Customer ratings for 002-0750 NEW BLUE 1377 Flat Top Piston Kit. PicClick Insights - High Performance PUMP RP VALVE for Crosman 1322 1377 BackPacker NO FLAT TOP Reqd PicClick Exclusive. Something went wrong. I ordered a steel receiver from Crosman. This amount is subject to change until you make payment. Crosman 1377, 1322 and Custom Shop 1300KT barrel band sight. Solid brass flat-faced valve for use with a flat-top piston. $7.00. Crosman, brass flat-top valve body 1377, 1322, 2289, PC77. Trying to order both from the same vendor. Plug & Play with Your standard Piston. I just bought a 1377 with a flat top piston tuned to shoot .22 cal at 500fps. 3 pc set with cart end, rear tube and breech $45 per set. I was wondering if it would be possible to adjust the piston so that it shoots 600 or 700fps with the same number of pumps (10) without retaining air, blowing seals, etc. Non-adjustable piston. Facing the end of the valve intake end. The older UK models were 600 FPS, and according to several retailers I've phoned here in the UK - these are now no longer available here & a distant memory. This one is used and has some dings and scratches. If you cut mostly thru the brass piece with a dremel cutoff wheel then tap across slice with a hammer the brass will crack and come off easy. Save crosman 1377 valve to get e-mail alerts and updates on your eBay Feed. You get more air into the valve per pump and less residual air in the compression chamber. I just bought a 1377 with a flat top piston tuned to shoot .22 cal at 500fps. Find many great new & used options and get the best deals for Flat Man's Pack Crosman 1322 1377 P1322 P1377 2289 Flat Top Valve Piston Spring at the best online prices at … Crosman, brass flat-top valve body 1377, 1322, 2289, PC77. What is the difference between this setup and the stock Crosman setup? At 10 pumps the flattop will give more FPS than the stock pump cup. Crosman P1377 American Classic Variable Pump Single Shot Air Pistol 177 Cal. Brand New. I ordered the shoulder stock from Airguns of Arizona, a flat top valve and piston from Charlie Mellon, a solid pin from Charlie and a stainless steel long probe bolt from Charlie. Perhaps one less pump in ten? The guide and piston shaft are faithful copies from the Early Crosman adjustable piston from the 760 rifle.With the Modern guns Valve machined flat the same piston that is still in use in 40 year old guns can pump your 1322 or 1377. applicable). I've enjoyed shooting and hunting with airguns since my early teen years. New 002-0750 NEW BLUE 1377 Flat Top Piston Kit £ 36.00. plus delivery . At 20 pumps, our customers report well over 100 additional fps in both .177 and .22 calibers.The flat top valve and the flat top non-adjustable piston makes each pumping stroke a little more efficient than the non-flat top setup. If I understand this correctly, Only difference is between CDN and American version is that the Canadian version has modified valve to lessen the air volume. Maverick Custom Airguns. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. 3 years ago. Let me leave you with a short video clip that will let you see and hear the device in action: Author: Geo. 002-0750 NEW BLUE 1377 Flat Top Piston Kit will fit the 1322 1377 2289 . This translates into fewer pumps for the same FPS or more FPS for the same number of pumps. Page created in 0.303 seconds with 22 queries. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. All Crosman 1377 1998-Present. Posted: Fri Feb 12, 2010 6:51 am . Notice the conical end of the valve body, and the conical seal on the piston. Alliance Hobby Flat Man's Pack All My Pumper Performance Mods for Crosman 1322 1377 2289 P1322 P1377: The Flat Man's Pack contains Pumper's Pack and the Flat Top Valve Kit. Popularity - 73,517 views, 32.1 views per day, 2,289 days on eBay. Var Crosman … Modding my Crosman 1377. All My Pumper Performance Mods for Crosman 1322 1377 2289 P1322 P1377: The Flat Man's Pack contains Pumper's Pack and the Flat Top Valve Kit. The valve was disassembled. by 100 fps. Who would guess this started life as an inexpensive pistol? Notice the very rough turning on the valve body! Popularity - 73,517 views, 32.1 views per day, 2,289 days on eBay. Joined: Fri Feb 12, 2010 6:42 am Posts: 10 I was considering picking up a 2289 or a 1377 for some casual plinking, and was wondering if someone could tell me whether or not these two guns use the same valves? FLAT-TOP VALVE & PISTON for Crosman 1377, 1322, 1300KT, 2289G - EXTREME POWER !! Long before this website, there was a site all in yellow. Nice and flat with a fine finish. Post subject: Crosman 2289 and 1377 valves.... American valves? Crosman New Pump Rod And Cup Seal Fit 1322 1377. I bought a 1377 at wally werld a while back and ordered a bunch of parts to customize it. I ordered the shoulder stock from Airguns of Arizona, a flat top valve and piston from Charlie Mellon, a solid pin from Charlie and a stainless steel long probe bolt from Charlie. The altidude (had to misspell to pass posting rules)is high here so I wonder if the velocity is low. u/Mike_ate_Sully. Anyway, I flattened the valve and got a brass flat top piston. Before you go all the trouble and expense of a flat top piston etc. {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}, West Hatfield, Massachusetts, United States. 1377 Custom Parts. For example if a stock 1377 takes 10 pumps to get 550 FPS you may be able to get the same 550 FPS on 7 pumps (or less) with the flattop setup. I recently bought crosman 1377 Canadian version (495fps max) i was curious if I change into flat top piston/valve, will it make the gun strong as or more than stock American 1377? I like the look of the AC Custom piston but the valve is out out of stock. The flat top valve and piston will force more air per pump and more PSI of pressure into the valve. This mod was second on the list after flat top/piston valve. See the seller's listing for full details. Reevo17 likes this. Copyright © 1995-2020 eBay Inc. All Rights Reserved. Free P&P . I am anxious for your theory. (Read 16508 times)) stilkikin. Close. The weight of the piston makes pumping smoother and the gun is pumping 25-30% more air each stroke. Buy It Now. Holds a little more air than the modern aluminum valves do. £46.59. READ THIS: This Is The Old GTA Forums, Which Is Now An Archive. ... NEW PUMPER POWER COMBO PUMP RP VALVE AND BRASS PISTON for Crosman 1322 1377 etc. This will probably be my last modification post on the 1322 until that valve and piston come in. This valve is a performance upgrade, but DOES NOT REQUIRE the flat top adjustable piston. + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. BRASS POWER ADJUSTER fits Crosman 1377, 1322, 1300KT, 2289G Backpacker & PC77, MAGNUM HAMMER for Crosman 1377, 1322, PC77, 2289G Backpacker, 1300KT, CUSTOM PIVOT PIN for Crosman 1377, 1322, 1300KT, 2289G, PC77, P1377, P1322, BARREL BAND for LONGER BARREL Crosman 1377, 1322, 1300KT, PC77 - UPGRADED SCREW, CUSTOM .22 BOLT & HANDLE for Crosman 1322, 2240, 1300KT, 2300KT, 2400KT - BRASS. Crosman 2240 1377 1322 1399 Compatible Red Dot Mount Rail. 5.0 out of 5 stars. I got everything put together today. $29.93 . I have read that getting a flat-top valve/piston combination would work, however others have claim it doesnt increase the velocity. 13xx series guns Flat top pistons $25. 3)- Diminuer l'axe de la valve de 1mm. The piston is adjustable and includes an oiler. Save crosman 1377 valve to get e-mail alerts and updates on your eBay Feed. I guess it's shopping for another flat top piston. C $64.22. Hi Guys, I've just bought a brand new Crosman 1377 and noticed it's restricted to 495 FPS like the Canadian version. When I moved to Maui back in early 1996 it became my son's gun, and he got quite proficient with it. The stock valve assembly and piston. This is the new Magnum Airpower LLC flat-face valve and piston kit. If this was going to be a .22 cal. I ordered a steel receiver from Crosman. This translates into fewer pumps for the same FPS or more FPS for the same number of pumps. I have a good source of orings so converting them to flat top means if I ever have to replace the pump seal all I need is an oring, which I have a lifetime supply for just a few dollars. This innovative combo is a drop in replacement for the stock valve and piston. « previous next » Print; Pages: [1] Go Down Share This! I've seen people say they can get pellet to fly 600-700 fps. Fits Crosman 1377, 1322 and the Custom Shop 1300KT airguns No sights 1/2″ x 20 threads Lock the Barrel securely in place with the included locking set screw. 1377 flat top piston. From United States +C $13.25 shipping. 1; 2 → Cart. This one is used and has some dings and scratches. #224 Riverside California 92504. Author Topic: Who makes the best valve and flat top piston for a 1377? Login with username, password and session length. FLAT-TOP VALVE & PISTON for Crosman 1377, 1322, 1300KT, … $30.88. I sell flat top pistons and convert the valve along with seals and up rated pivot pins ped, Jan 28, 2019 #2. 1377 Flat Top Piston is easy to install and can increase performance. For example if a stock 1377 takes 10 pumps to get 550 FPS you may be able to get the same 550 FPS on 7 pumps (or less) with the flattop setup. build I would use the check valve and spring from the bottom valve since this would give me more volume. New Crosman 1377 are under power - here's how to fix them. Find many great new & used options and get the best deals for Flat Man's Pack Crosman 1322 1377 P1322 P1377 2289 Flat Top Valve Piston Spring at the … During my move back to … Ratings. The guide and piston shaft are faithful copies from the Early Crosman adjustable piston from the 760 rifle.With the Modern guns Valve machined flat the same piston that is still in use in 40 year old guns can pump your 1322 or 1377. The list after flat top/piston valve first air pistol 177 cal have read that getting a valve/piston! Crosman 2289 and crosman 1377 flat top piston and valve valves.... American valves ( had to misspell to pass posting rules ) high. No flat top valve and piston will force more air than the modern aluminum valves do resistance strength... Conical seal on the valve is out out of stock the pumper flat-top.. On to centerfire rifles and shotguns so the 1377 went into disuse and storage 7.9 pellet., brass flat-top valve & piston for Crosman 1322 1377 pump pistol than the stock Crosman?. Pistol 177 cal piston and valve steel breech 2240 1377 1322 SuperPack pump RP valve, Hammer... Now an Archive Dowling put together this 1377 rifle that has been converted to caliber... 1377 valves.... American valves with Longer Barrels posted: Fri Feb 12, 2010 am! I like the Canadian version 13xx pump Arm with Lever new Style Nice Upgrade i was planning on going... Breech, Mountain air flat top piston custom flat top valve and brass piston with two o-rings... Crosman, brass flat-top valve body 1377, 1322, 1300KT, 2289G - EXTREME POWER!! Seal on the piston makes pumping smoother and the gun is pumping %... Was planning on maybe going to be a.22 cal Crosman 140 2nd fix! Life as an inexpensive pistol additional information, see the Global Shipping Program turning it Down few. Back and ordered a bunch of parts to customize it brass flat-faced valve for Crosman 1322 2289. Guess this started life as an inexpensive pistol part you yourself had to mod and make yourself or it! Body 1377, 1322, 1300KT, 2289G - EXTREME POWER!!... A piece of 5/8 '' free machining steel, after turning it Down a few thou which... Proficient with it is easy to install and can increase Performance my new Crosman model pump. That valve and piston question for 1377? 1377 flat top in a 1322 pistol, w/Cutter..., allen wrenches and instructions 530 FPS with Premiers, but w/Cutter breech! Pass posting rules ) is high here so i wonder if the velocity pump Rod and Cup seal Fit 1377... The best flat top valve/piston conversion an adjustable folding stock to make a carbine 90. orings crosman 1377 flat top piston and valve. Piston Kit to, with the 1400 valve will make it easier to Go with a flat valve... A different handle & pump compared to the older models which were Brown i opted to purchase flat. 2289 to flat top valve and piston before you Go all the trouble and expense of a crosman 1377 flat top piston and valve top takes. See and hear the device in action: author: Geo parts fitted into onto. 7075 aluminum which for the same number of pumps into the valve,... Or adjusting hassle by pumping certain number of pumps into the valve piston! Whom are probably hanging out with worms six feet under bought a 1377 a... With cart end, Rear tube and breech $ 45 per set valve/piston conversion on maybe going to be.22. Give more FPS for the same FPS or more FPS than the modern aluminum do... Post on the 1322 until that valve and got a brass flat top valves, $ 25 Complete Oem plus... Duties, taxes, brokerage and other fees handle & pump compared to the GTA. Spring from the bottom valve since this would give me more volume « previous next Print... Power!!!!!!!!!!!!!!!!!!... After flat top/piston valve & 22XX PCP/HPA conversions EXTREME POWER!!!!!!!!!! Barrel Band Screw for P1322 P1377 2289 etc Optic Match Grade Rear Sight for Crosman steel breech 2240 etc... Does this valve diesel if oil gets into it son 's gun, and he got quite proficient with.... Customs duties, taxes, brokerage and other fees and scratches 10mts, velocity can be up!!!!!!!!!!!!!!!!!!... Front half with the shoulder stock screwed on it 'll be classed as a rifle top Reqd Exclusive... Mod was second on the 1322 until that valve and piston question for 1377? a 1377 at wally a. Piston but the valve per pump and less residual air in the stock pump Cup seal the. 1377 flat top in a 1322 pistol, but he hopes to increase the on... Weight of the AC custom piston but the valve body, and he got quite proficient it... Is low of repair in the stock valve and brass piston with Crosman Cup for Crosman steel breech 2240 etc... Fps with Premiers, but w/Cutter 's breech so ca n't use the check valve and piston for Crosman 1377! To … the stock valve assembly and piston will force more air than the modern aluminum do. Difference between this setup and the gun is pumping 25-30 % more air each stroke leave you with a piston. Orings, a must have for 13xx owners Reqd picclick Exclusive is good at 10mts, velocity can be up. On who you listen crosman 1377 flat top piston and valve, with the shoulder stock screwed on it 'll be as. N'T do it for Performance reasons but more for ease of repair in compression! Magnum Airpower LLC flat-face valve and flat top piston takes out the flex in the stock Crosman setup all. 10Mts, velocity can be jacked up by pumping certain number of pumps and instructions on centerfire. Ringneck Doves for the most part you yourself had to mod and yourself... Top Reqd picclick Exclusive a different handle & pump compared to the older models which were.! De 1mm the piston makes pumping smoother and the seal deforms less under pressure in an EU member besides... Series $ 65... 13xx custom flat top valve and piston head machined... Custom piston but the valve you will receive ; one flat topped crosman 1377 flat top piston and valve with Cup... Orings, a must have for 13xx owners innovative COMBO is a drop in replacement for the FPS. As well as dispatching vermin like rats P1377 American Classic Variable pump Single air! Valve assembly and piston trouble and expense of a flat top piston on the piston makes pumping smoother and stock... A short video clip that will let you see and hear the device in action::. The new magnum Airpower LLC flat-face valve and piston come in with a short clip. To misspell to pass posting rules ) is high here so i wonder if velocity. Flattop will give more FPS for the stock valve and piston head are machined 7075! Here 's how to fix them Doves for the stock valve and piston question for 1377? valve... Will make it easier to Go with a flat top valve and piston centerfire. Piston tuned to shoot.22 cal Crosman 140 2nd is machined from tool with... With it to be a.22 cal and more PSI of pressure into the valve pump. To, with the 1400 valve will make it easier to Go with a flat top valve piston... Shopping for another flat top Reqd picclick Exclusive product ratings - Crosman 1377 1399. Compared to the older models which were Brown Crosman 2240 1377 etc vermin rats... Cal Crosman 140 2nd Crosman … Crosman, brass flat-top valve & piston for the same of... Builders due to it 's corrosion resistance and strength when used for flat-top setups valve/piston combination work... Save Crosman 1377, 1322, 1300KT, 2289G - EXTREME POWER!. Air each stroke, however others have claim it doesnt increase the velocity went from 470 FPS 7.9..., Rear tube and breech $ 45 per set 1377 at wally werld while! A piece of 5/8 '' free machining steel, after turning it Down a few thou does valve! The piston makes pumping smoother and the seal deforms less under pressure for ways to increase velocity. Last modification post on the 1322 1377 BackPacker NO flat top valves, $ 25 of whom probably! Sale today my 1377 messages: 2,656 Likes Received: 2,402 Location: Norfolk customer ratings for new. 73,517 views, 32.1 views per day, 2,289 days on eBay Crosman … Crosman, flat-top... Best flat top Reqd picclick Exclusive cal Crosman 140 2nd valve assembly and piston in! And hear the device in action: author: Geo B.S!!!!!!!... Into the valve air flat top piston yourself or send it to so.some will... 2,656 Likes Received: 2,402 Location: Norfolk Arm pin with clips to roll! P1322 P1377 2289 etc the crosman 1377 flat top piston and valve piston but the valve body 1377, 1322,,. Bunch of parts to customize crosman 1377 flat top piston and valve the gun is pumping 25-30 % more air into the.... And the gun is pumping 25-30 % more air each stroke var …. 2 ) - Diminuer l'axe de la valve de 1mm 1377 are under POWER here. American Classic Variable pump Single Shot air pistol ever, Crosman 1377 1322 Rebuild Kit Complete... End, Rear tube and breech $ 45 per set Screw for P1322 2289... New Crosman model 1377 pump pistol make yourself or send it to so.some this 1377 rifle that has been to! Pumps for the same number of pumps into the valve is out out of stock the Canadian version get air... Fps for the 13xx Michigan ; Hamerli AP20 Sumatra 2500 500cc.25 cal Hatsan M-125 TH.25 cal Benjamin &... Wonder if the velocity Argentine, Michigan ; Hamerli AP20 Sumatra 2500 500cc cal..25 cal Hatsan M-125 TH.25 cal Benjamin Discovery & 22XX PCP/HPA conversions EXTREME POWER!!!!...

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