Worked like a charm, and took less than five minutes to install (I resealed the 1377 a few months 22 cal. all steel breech phase 1 1377's i've ever seen had a smoothbore. Crosman 1377, 1322 and Custom Shop 1300KT barrel band sight. Crosman Model 357 (Phase 1) Disassembly, Part 1 A friend conned me into resealing a Crosman 357 revolver for him. In other words the phase 3 bolt wont seal in the phase 1 barrel. Here's a circa 1980's Phase two Gold Medalist by Crosman model 1377, also known by some as the Pumpmaster Classic, which incidentally is the little brother to my earlier posted 1322. All went back together and then the dreaded his when pumping. The Crosman model 1377 (also known as the "American Classic") is a single-shot, bolt-action, pneumatic .177 caliber pellet gun, featuring a rifled steel barrel and imitation wood checkered plastic grips. I realized that we don’t have a … 22 caliber versions. I picked up an old Phase 1 1377 this past August that worked as you describe, with the air leaking out he barrel. Mike's 1377 This is my first time and I'm pleased with the results. For Crosman REAR COCKING PHASE I AND II 1377 1322. Premier Shooters Kit Available Excursively At Airgun Depot Includes: Crosman 1322 Air Pistol($54.99 Value) Crosman 1322 Shoulder Stock ($24.50 Value) Crosman Ammo Pouch ($4.00 Value) Crosman Safety Glasses** ($6.00 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. I took The 1377 was introduced in 1977, and has been in continuous production ever since. New Crosman 1377 are under power - here's how to fix them. I have an early phase III 1377 (bolt action) pistol - I've converted it into a carbine with a QD shoulder stock and it's very good indeed. As I had used all new seals, I wondered if the valve stem was the problem, so I took it back apart a rifled barrel does make more sense for accuracy. Crosman 1322 1377 Phase 1 / 2 / 3 PRE 2012 Seal Reseal Repair O-Ring Kit $20.95 Free shipping 285 sold Watch INTRODUCING Solid Brass Piston with Crosman CUP for Crosman 1322 1377 2289, etc. Finally finished the service on my Crosman 1377 Phase 1 pistol. Crosman Corporation is an American designer, manufacturer and supplier of shooting sport products, with a long-standing presence in airgun design and a … 177 and. Includes bolt probe O rings for both. Mine isn't in as nice of shape as your 1322 though. i guess crosman thought the majority of the shooters were going to shoot steel bb's. Crosman 1322 1377 Phase 1 / 2 … 1 x Bolt probe O ring. I started out with a phase 2 1377 and added a steel breech and brass trigger w/ shoe from Crosman, a 14in barrel w/ brake from Roy at MountainAir as well as a lighter sear spring and guide. The Medalist/ Pumpmaster is a 17caliber, or .177 or 4.5mm classic which has been in production by Crosman for the last 30 some odd years, and while the gun itself has changed with the times, … Crosman 1377 for sale on eBay. Crosman 1377 all you need for this model is listed here the Parts Diagram==Spare Parts== Custom Parts==Wood Grips & Forestock PLUS THE NEW P1377 1377 Diagram & Spare Parts 1998-Present Find the part you need on Crosman 1377, 1322 and Custom Shop 1300KT barrel band adapter with 1/2-20 standard airgun moderator threads. 1 x Transfer Port Seal. Designed to work with our airgun moderators as well as others. The pump tube will probably need taping out for the forward breach screw (unless you 1377 has a plastic breach ). where is the best plase to get crosman parts? i live in the UK and i need to get a new valve stem for my 1377 phase 1 and the only plase i know that sells them is chambers gunmakers and it costs £10.80 there! RE: 1377 phase 2 hammer spring « Reply #1 on: January 17, 2010, 06:39:55 AM » Take the rear grip frame screw and the rear breech screw out, remove the plug from the end of the tube and there is the hammer spring. See our huge selection of gun parts for sale today. Anyway, I think it is the exaust valve seal that is leaking. I purchased it to replace the breech on a Generation 1 Crosman 1377 and mate with a Generation 3 Lothar Walther match barrel. Standard 1/2-20 threads Moderator Adapter 1377 $ Crosman 357 Seal Kit - Phase I Brand New C $23.95 Top Rated Seller Top Rated Seller Buy It Now +C $6.00 shipping Results matching fewer words Crosman 140,1400,147 Complete Seal Kit. This is a Deluxe seal kit that you may need to freshen up your Phase I or II rear cocking Crosman pumper. If you do decide to go with the Crosman Custom breach and phase 3 barrel you may as well change to .22". 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