USCARBINECAL30M1.com M1 Carbine Components Listing by Manufacturer
* All dates and serial numbers are approximate *
USCARBINECAL30M1.com M1 Carbine Components List
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NPM | Barrel | Type 1 | Unmarked | 1450000 - 4432099 | Barrels marked from mixed manufacturers: "I.B.M. CORP." date marked until December, 1943; "UNDERWOOD" date marked; "MARLIN" with no date marked; |
NPM | Barrel | Type 2B | Unmarked | 1450000 - 4432099 | Barrels marked from mixed manufacturers: "BUFFALO ARMS" date marked until October, 1943; "ROCK-OLA" date marked until June, 1943. |
NPM | Barrel Band | Type 1A | Unmarked, U, UI | 1450000 - 4229999 | Swivel unmarked or marked UN. |
NPM | Barrel Band | Type 2 | Unmarked | 4230000 - 4432099 | |
NPM | Barrel Band Spring | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Bolt | Type 2 | UN, N, Nx | 1450000 - 4399999 | Flat bolt. Nx, x = numeric digit(s). |
NPM | Bolt | Type 3 | AI | 4400000 - 4432099 | Round bolt. |
NPM | Buttplate | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Buttplate Screw | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Ejector & Spring | Type 1 | Unmarked | 1450000 - 4149999 | |
NPM | Ejector & Spring | Type 2 | Unmarked | 4150000 - 4432099 | |
NPM | Ejector & Spring | Type 3 | Unmarked | 4150000 - 4432099 | |
NPM | Extractor | Type 3 | IN, N | 1450000 - 4432099 | |
NPM | Extractor Spring & Plunger | Type 3 | Unmarked | 1450000 - 4432099 | |
NPM | Firing Pin | Type 1 | NN, WN | 1450000 - 4139999 | |
NPM | Firing Pin | Type 2 | NN, N-N | 4140000 - 4432099 | |
NPM | Firing Pin | Type 3 | DN, NN, N-N | 4140000 - 4432099 | |
NPM | Front Sight | Type 1 | NN, N | 1450000 - 4149999 | |
NPM | Front Sight | Type 2 | SN | 4150000 - 4432099 | |
NPM | Front Sight Key | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Front Sight Pin | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Gas Piston Nut | Type 1 | Unmarked | 1450000 - 1509999 | |
NPM | Gas Piston Nut | Type 2 | Unmarked | 1510000 - 4432099 | |
NPM | Hammer | Type 2 | HI, HN | 1450000 - 1957999 | |
NPM | Hammer | Type 3 | HN, IN, NHTE | 1958000 - 4432099 | |
NPM | Hammer Pin | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Hammer Plunger | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Hammer Spring | Type 1 | Unmarked | 1450000 - 1957999 | |
NPM | Hammer Spring | Type 2 | Unmarked | 1958000 - 4432099 | |
NPM | Handguard | Type 1 | OI, TN | 1450000 - 1989999 | |
NPM | Handguard | Type 2 | TN | 1990000 - 4432099 | |
NPM | M.C. / Safety Spring & Plunger | Type 1 | Unmarked | 1450000 - 4432099 | |
NPM | Magazine Catch | Type 2A | MN, SN | 1450000 - 4432099 | |
NPM | Operating Slide | Type 2 | N | 1450000 - 1539999 | May also be marked with a numerical drawing revision number. |
NPM | Operating Slide | Type 3 | N | 1540000 - 4099999 | May also be marked with numerical drawing revision number. |
NPM | Operating Slide | Type 4 | N, UN | 4100000 - 4432099 | May also be marked with numerical drawing revision number. |
NPM | Operating Slide Spring | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Operating Slide Stop | Type 2 | Unmarked | 1450000 - 4432099 | |
NPM | Operating Slide Stop Spring | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Rear Sight | Type 1 | S | 1450000 - 4432099 | Right base marked "RN", "TN", "N-A" or unmarked. Leaf marked "RN", "TN" or unmarked. Early production may be marked ".U.". |
NPM | Receiver | N/A | N/A | 1450000 - 4432099 | |
NPM | Recoil Plate | Type 2 | Unmarked, LN | 1450000 - 1539999 | |
NPM | Recoil Plate | Type 3 | LN, PN | 1540000 - 4432099 | |
NPM | Recoil Plate Escutcheon Nut | Type 1 | Unmarked | 1450000 - 4432099 | Early production. |
NPM | Recoil Plate Escutcheon Nut | Type 2 | Unmarked | 1450000 - 4432099 | Late production. |
NPM | Recoil Plate Screw | N/A | Unmarked | 1450000 - 4432099 | |
NPM | Safety | Type 2 | IN | 1450000 - 4074009 | |
NPM | Safety | Type 3 | Unmarked, IN, SN | 4075010 - 4432099 | |
NPM | Sear | Type 1 | BN, BOB, LN, SWN | 1450000 - 4149999 | |
NPM | Sear | Type 2 | SW-N | 4150000 - 4432099 | |