USCARBINECAL30M1.com M1 Carbine Components Listing by Part Group
* All dates and serial numbers are approximate *
USCARBINECAL30M1.com M1 Carbine Components List
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| RMC | Ejector & Spring | Type 1 | Unmarked | 1662520 - 1749999 | |
| RMC | Ejector & Spring | Type 2 | Unmarked | 1750000 - 6219688 | |
| RMC | Ejector & Spring | Type 3 | Unmarked | 1750000 - 6219688 | |
| RMC | Extractor | Type 1 | Unmarked, R | 1662520 - 1662999 | |
| RMC | Extractor | Type 3 | R-SG, R | 1663000 - 6219688 | May be marked on top. |
| RMC | Extractor Spring & Plunger | Type 1 | Unmarked | 1662520 - 1662999 | |
| RMC | Extractor Spring & Plunger | Type 3 | Unmarked | 1663000 - 6099688 | |
| RMC | Firing Pin | Type 1 | R, ROCK-OLA | 1662520 - 4532099 | |
| RMC | Firing Pin | Type 2 | ROCK-OLA | 4532100 - 6219688 | |
| RMC | Firing Pin | Type 3 | ROCK-OLA | 4532100 - 6219688 | |
| SGGR | Bolt | Type 2 | IP, S'G'-, S'G' | 1767223 - 3250019 | Flat bolt. |
| SGGR | Ejector & Spring | Type 1 | Unmarked | 1767223 - 3250019 | |
| SGGR | Extractor | Type 3 | IP-W, W/S'G', S'G', I-S'G' | 1767223 - 3250019 | |
| SGGR | Extractor Spring & Plunger | Type 1 | IP, S'G'-, S'G' | 1767223 - 3250019 | |
| SGGR | Extractor Spring & Plunger | Type 3 | Unmarked | 1767223 - 3250019 | |
| SGS | Bolt | Type 2 | SG | 3250020 - 5839999 | Flat bolt. |
| SGS | Bolt | Type 3 | SG | 5840000 - 6071188 | Round bolt. |
| SGS | Ejector & Spring | Type 1 | Unmarked | 3250020 - 3499999 | |
| SGS | Ejector & Spring | Type 2 | Unmarked | 3500000 - 6071188 | |
| SGS | Ejector & Spring | Type 3 | Unmarked | 3500000 - 6071188 | |
| SGS | Extractor | Type 3 | SG, WSG | 3250000 - 6071188 | |
| SGS | Extractor Spring & Plunger | Type 3 | Unmarked | 3250000 - 6071188 | |
| SGS | Firing Pin | Type 1 | SG | 3250000 - 5849999 | |
| SGS | Firing Pin | Type 3 | SG | 5850000 - 6071188 | |
| STDP | Bolt | Type 2 | Sx | 1982520 - 2352519 | Flat bolt. Sx, x = numeric digit(s). |
| STDP | Ejector & Spring | Type 1 | Unmarked | 1982500 - 2149999 | |
| STDP | Ejector & Spring | Type 2 | Unmarked | 2150000 - 2352519 | |
| STDP | Ejector & Spring | Type 3 | Unmarked | 2150000 - 2352519 | |
| STDP | Extractor | Type 3 | S.WI, SW | 1982520 - 2352519 | |
| STDP | Extractor Spring & Plunger | Type 2 | HS, SDP, WS | 2160000 - 2352519 | |
| STDP | Extractor Spring & Plunger | Type 3 | Unmarked | 1982520 - 2352519 | |
| STDP | Firing Pin | Type 1 | HS, SDP, WS | 1982520 - 2159999 | |
| STDP | Firing Pin | Type 3 | SDP | 2160000 - 2352519 | |
| UEF | Bolt | Type 2 | ".U.", SU, WU, CU | 1350000 - 6099999 | Flat bolt. |
| UEF | Bolt | Type 3 | WU, .U. | 6100000 - 6199688 | Round bolt. |
| UEF | Ejector & Spring | Type 1 | Unmarked | 1350000 - 4009999 | |
| UEF | Ejector & Spring | Type 2 | Unmarked | 2352520 - 6199688 | |
| UEF | Extractor | Type 1 | Unmarked, ".U." | 1350000 - 1357999 | |
| UEF | Extractor | Type 2 | ".U." | 1358000 - 1381999 | |
| UEF | Extractor | Type 3 | ".U.", MU, KU | 1382000 - 6199688 | |
| UEF | Extractor Spring & Plunger | Type 1 | Unmarked | 1350000 - 1357999 | |
| UEF | Extractor Spring & Plunger | Type 2 | Unmarked | 1358000 - 1381999 | |
| UEF | Extractor Spring & Plunger | Type 3 | Unmarked | 1382000 - 6199688 | |
| UEF | Firing Pin | Type 1 | ".U.", DU, WU | 1350000 - 4009999 | |
| UEF | Firing Pin | Type 2 | ".U.", DU, WU | 1350000 - 4009999 | |
| UEF | Firing Pin | Type 3 | ".U.", DU, WU | 2352520 - 6199688 | |
| WRA | Bolt | Type 1 | Unmarked | 1000000 - 1000999 | Early production flat bolt. |
| WRA | Bolt | Type 2 | W | 1001000 - 5599999 | Flat bolt. |
| WRA | Bolt | Type 3 | W | 5600000 - 7369669 | Round bolt. |
| WRA | Ejector & Spring | Type 1 | Unmarked | 1000000 - 1319999 | |