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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IBM | Barrel | Type 1 | Unmarked | 3651520 - 4000999 | Marked "I.B.M. CORP." and date marked until December, 1943. |
IBM | Gas Piston | N/A | Unmarked | 3651520 - 4000999 | |
IBM | Gas Piston | Type 2 | Unmarked | 3651520 - 4000999 | |
IBM | Operating Slide | Type 3 | 19AOB, AOB, PI | 3651520 - 3774999 | |
IBM | Operating Slide | Type 4 | AOB | 3775000 - 4000999 | |
IBM | Operating Slide Spring | N/A | Unmarked | 3651520 - 4000999 | |
IBM | Operating Slide Stop | Type 2 | Unmarked | 3651520 - 4000999 | |
IBM | Operating Slide Stop Spring | N/A | Unmarked | 3651520 - 4000999 | |
IBM | Receiver | N/A | N/A | 3651520 - 4000999 | |
Inland | Barrel | Type 2A | Unmarked | 1 - 8069660 | Marked "INLAND DIVISION" and dated. |
Inland | Barrel | Type 2B | Unmarked | 1 - 8069660 | Marked "INLAND DIVISION" and dated. Barrels manufactured by BLC Division of GMC will be marked BI to rear of gas cylinder. |
Inland | Gas Piston | N/A | I-I, LI, P.I., SI | 1 - 8069660 | |
Inland | Gas Piston Nut | Type 1 | Unmarked | 1 - 799999 | |
Inland | Gas Piston Nut | Type 2 | Unmarked | 800000 - 8069660 | |
Inland | Operating Slide | Type 1 | Circled PI | 1 - 999 | |
Inland | Operating Slide | Type 2 | Circled PI, PI | 1000 - 459999 | |
Inland | Operating Slide | Type 3 | Underlined PI | 460000 - 849999 | |
Inland | Operating Slide | Type 4 | Underlined PI | 850000 - 3199999 | |
Inland | Operating Slide | Type 5 | Underlined PI , Underlined PI w/Part # | 3200000 - 6849999 | |
Inland | Operating Slide | Type 6 | Underlined PI w/Part # | 6850000 - 8069660 | |
Inland | Operating Slide Spring | N/A | Unmarked | 1 - 8069660 | |
Inland | Operating Slide Spring Guide | Type 2 | Unmarked | 425000 - 475000 | Used to salvage unserviceable receivers only. |
Inland | Operating Slide Stop | Type 2 | Unmarked | 1 - 8069660 | |
Inland | Operating Slide Stop | Type 3 | Unmarked | 1 - 8069660 | |
Inland | Operating Slide Stop Spring | N/A | Unmarked | 1 - 8069660 | |
Inland | Receiver | N/A | N/A | 1 - 8069660 | |
IP | Barrel | Type 1 | Unmarked | 1762520 - 3250019 | Marked "UNDERWOOD" with date marked. |
IP | Barrel | Type 2B | Unmarked | 1762520 - 3250019 | Barrels marked from mixed manufacturers: "INLAND DIVISION" most date marked; "BUFFALO ARMS" date marked until October, 1943; "ROCK-OLA" date marked until June, 1943; |
IP | Gas Piston | N/A | Unmarked | 1762520 - 3250019 | |
IP | Gas Piston Nut | Type 1 | Unmarked | 1762520 - 3250019 | |
IP | Operating Slide | Type 3 | IP, S'G' | 1762520 - 3250019 | May be marked with Ordnance flaming bomb. |
IP | Operating Slide Spring | N/A | Unmarked | 1762520 - 3250019 | |
IP | Operating Slide Stop | Type 2 | Unmarked | 1762520 - 3250019 | |
IP | Operating Slide Stop Spring | N/A | Unmarked | 1762520 - 3250019 | |
IP | Receiver | N/A | N/A | 1762520 - 3250019 | |
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 | Gas Piston Nut | Type 1 | Unmarked | 1450000 - 1509999 | |
NPM | Gas Piston Nut | Type 2 | Unmarked | 1510000 - 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 | Receiver | N/A | N/A | 1450000 - 4432099 | |
QHMC | Barrel | Type 1 | Unmarked | 1550000 - 4879525 | Barrels marked from mixed manufacturers: "I.B.M. CORP." to December, 1943; "UNDERWOOD" date marked; "WINCHESTER" with no date mark. |
QHMC | Barrel | Type 2B | Unmarked | 1550000 - 4879525 | Barrels marked from mixed manufacturers: "INLAND DIVISION" most date marked; "BUFFALO ARMS" date marked until October, 1943; "ROCK-OLA" date marked until June, 1943; |
QHMC | Gas Piston | N/A | Unmarked | 1550000 - 4879525 | |
QHMC | Gas Piston Nut | Type 1 | Unmarked | 1550000 - 1599999 | |