USCARBINECAL30M1.com M1 Carbine Components Listing
* All dates and serial numbers are approximate *
USCARBINECAL30M1.com M1 Carbine Components Listing
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| WRA | Front Sight Pin | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Gas Piston | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Gas Piston Nut | Type 1 | Unmarked | 1000000 - 1159999 | |
| WRA | Gas Piston Nut | Type 2 | Unmarked | 1160000 - 7369669 | |
| WRA | Gas Piston Nut | Type 3 | WS, W | 1280000 - 7279999 | |
| WRA | Hammer | Type 1 | W | 1000000 - 1088999 | |
| WRA | Hammer | Type 2 | W | 1089000 - 1279999 | |
| WRA | Hammer | Type 3 | W, WS | 1280000 - 7279999 | |
| WRA | Hammer | Type 4 | W | 7280000 - 7369669 | |
| WRA | Hammer Pin | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Hammer Plunger | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Hammer Plunger | Type 2 | Unmarked | 1280000 - 7369669 | |
| WRA | Hammer Spring | Type 1 | Unmarked | 1000000 - 1279999 | |
| WRA | Handguard | Type 1 | Unmarked, W | 1000000 - 1129999 | |
| WRA | Handguard | Type 2 | Q | 1130000 - 5799999 | |
| WRA | Handguard | Type 3 | Q | 5800000 - 7369669 | |
| WRA | M.C. / Safety Spring & Plunger | Type 1 | Unmarked | 1000000 - 5799999 | |
| WRA | M.C. / Safety Spring & Plunger | Type 2 | Unmarked | 5800000 - 7369669 | |
| WRA | Magazine Catch | Type 1 | W | 1000000 - 1039999 | |
| WRA | Magazine Catch | Type 1A | W | 1040000 - 1099999 | |
| WRA | Magazine Catch | Type 2A | W | 1100000 - 5599000 | |
| WRA | Magazine Catch | Type 3 | ".EW.", W | 5600000 - 7299999 | |
| WRA | Magazine Catch | Type 4 | W | 7300000 - 7369669 | |
| WRA | Operating Slide | Type 1 | O, W | 1000000 - 1109999 | |
| WRA | Operating Slide | Type 3 | W | 1110000 - 1249999 | |
| WRA | Operating Slide | Type 4 | W | 1250000 - 5579999 | |
| WRA | Operating Slide | Type 5 | W, W w/Part # | 5580000 - 7234999 | |
| WRA | Operating Slide | Type 6 | W w/Part # | 7235000 - 7369669 | |
| WRA | Operating Slide Spring | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Operating Slide Spring Guide | Type 1 | Unmarked | 1000000 - 1067499 | |
| WRA | Operating Slide Spring Guide | Type 2 | Unmarked | 1067500 - 7369669 | |
| WRA | Operating Slide Stop | Type 2 | Unmarked | 1000000 - 7369669 | |
| WRA | Operating Slide Stop | Type 3 | Unmarked | 1000000 - 7369669 | |
| WRA | Operating Slide Stop Spring | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Rear Sight | Type 1 | S | 1000000 - 5699999 | Very early sights may be unmarked. Right base and leaf unmarked. |
| WRA | Rear Sight | Type 2 | Shielded H | 5700000 - 6449999 | |
| WRA | Rear Sight | Type 3 | Shielded H, I.R.Co. | 6450000 - 7369669 | |
| WRA | Receiver | N/A | N/A | 1000000 - 7369669 | |
| WRA | Recoil Plate | Type 2 | W | 1000000 - 1139999 | |
| WRA | Recoil Plate | Type 3 | W | 1140000 - 7369669 | |
| WRA | Recoil Plate Escutcheon Nut | Type 1 | Unmarked | 1000000 - 7369669 | Early production. |
| WRA | Recoil Plate Escutcheon Nut | Type 2 | Unmarked | 1000000 - 7369669 | Late production. |
| WRA | Recoil Plate Screw | N/A | Unmarked | 1000000 - 7369669 | |
| WRA | Recoil Plate Screw | Type 2 | Unmarked | 1075000 - 1299999 | |
| WRA | Safety | Type 1 | Unmarked | 1000000 - 1074999 | Checkered |
| WRA | Safety | Type 3 | EW, SW | 1300000 - 7299999 | |
| WRA | Safety | Type 4 | EW | 7300000 - 7369669 | |
| WRA | Sear | Type 1 | W | 1000000 - 5599999 | |
| WRA | Sear | Type 2 | W | 5600000 - 7279999 | |
| WRA | Sear | Type 3 | W | 7280000 - 7369669 | |