WRA | Follower and Slide | N/A | Type 2C | November/1943 to December/1944 | 2340001 - 2533000 | Marked with "11", may be punch marked. |
WRA | Follower and Slide | N/A | Type 2E | January/1945 to June/1945 | 1600000 - 1640000 | Marked with "13", may be punch marked. |
WRA | Follower Arm | B8869 | Type 1 | December/1940 to January/1941 | 100101 - 100501 | Unmarked. Single triangular bevel on right side. |
WRA | Follower Arm | B8869 | Type 3 | February/1941 to June/1945 | 100502 - 2540999 | Unmarked. Single shallow bevel on left side above pin hole. Follower arm lugs were rounded. Might show rough machining, punch mark and/or "6,8,or 9" to indicate drop forge number. |
WRA | Follower Arm Pin | A13667 | Type 2 | December/1940 to June/1945 | 100101 - 2540999 | 0.15 in rebate at end, 0.07 in at top. |
WRA | Follower Rod | C46014 | Type 1B | December/1940 to March/1941 | 100101 - 102000 | No drawing number on rod. Short fork. 14 vertical knurls, round behind shoulder. Used with compensating spring. |
WRA | Follower Rod | C64331 | Type 3A | March/1941 to August/1941 | 102001 - 120000 | Forged, one piece. Flat profile, 14 vertical knurls. Short fork. Drawing # not marked. |
WRA | Follower Rod | C64331 | Type 3B | August/1941 to December/1944 | 102001 - 2533060 | Forged, one piece. Flat profile, 14 vertical knurls. Short fork, marked "CM". Bevels on sides of lower fork prong. WAS NOT USED BETWEEN SERIAL #s 1600001 to 1640000 (WIN-13). |
WRA | Follower Rod | C64331 | Type 3C | August/1941 to December/1944 | 120001 - 2533060 | Forged, one piece. Flat profile, 14 vertical knurls. Short fork, marked "A". Bevels on sides of lower fork prong. WAS NOT USED BETWEEN SERIAL #s 1600001 to 1640000 (WIN-13). |
WRA | Follower Rod | C64331 | Type 3D | December/1944 to January/1945 | 2533001 - 2534232 | Forged, one piece. Flat profile, 14 vertical knurls. Short fork, punch marked. WAS NOT USED BETWEEN SERIAL #s 1600001 to 1640000 (WIN-13). |
WRA | Follower Rod | C64331 | Type 5 | January/1945 to June/1945 | 1600001 - 1640000 | WIN-13. Stamped sheet metal. Long fork plate riveted. No marking. Grooves/knurls eliminated. Punch marked or stamped with "A". |
WRA | Front Hand Guard | C64245 | N/A | December/1940 to June/1945 | 100101 - 2540999 | |
WRA | Front Site | B147427 | Type 3B | December/1940 to June/1945 | 100101 - 2540999 | 0.812 inches wide at blades. Punch marked. |
WRA | Front Site Screw | N/A | Type 2 | December/1940 to June/1945 | 100101 - 1300000 | Rebated Allen socket head, used with seal. |
WRA | Front Site Screw | N/A | Type 3 | March/1943 to June/1945 | 1300001 - 2540999 | Non-rebated head. Head may be smooth or knurled. |
WRA | Gas Cylinder | D35449 | Type 2B | October/1941 to December/1943 | 125001 - 2350000 | .50 inch front sight base, no flat top on rear ring, unmarked. Not for WIN-13 (1,6XX,XXX - 1,64X,XXX). |
WRA | Gas Cylinder | D35449 | Type 2C | December/1943 to June/1945 | 2350001 - 2540999 | .575-.580 inch front sight base, no flat top on rear ring, unmarked. Includes WIN-13 (1,6XX,XXX - 1,64X,XXX). |
WRA | Gas Cylinder | D35449W.R.A. | Type 2A | December/1940 to October/1941 | 100101 - 125000 | .50 inch front sight base, no flat top on rear ring, marked "D35449W.R.A." on right side of rear ring. |
WRA | Gas Cylinder Lock | B147426 | Type 1 | December/1940 to June/1945 | 100001 - 2540999 | Front face chamfered,no hump, unmarked. 1.225 - 1.335 inches high. may be punch marked and have machining marks on face. |
WRA | Gas Cylinder Lock Screw(Plug) | B147428 | Type 1 | December/1940 to January/1945 | 100001 - 2540999 | Single slot, no poppet valve. May be punch marked or have machining marks on face. |
WRA | Gas Cylinder Lock Screw(Plug) | B7310079 | Type 3 | January/1945 to June/1945 | 1600000 - 1640000 | WIN-13. Return poppet valve, cross shaped slot. May be marked "P", "O" or hexagon. |
WRA | Hammer | C-46008-1W.R.A. | Type 1E | January/1945 to June/1945 | 1600000 - 1640000 | Drawing number on right side, early hooks, no tooling hole. WIN13 |
WRA | Hammer | C4-6008-1W.R.A. | Type 1D | March/1944 to December/1944 | 2400001 - 2530000 | Drawing number on right side, early hooks, no tooling hole. |
WRA | Hammer | C46008-1W.R.A. | Type 1A | December/1940 to March/1944 | 100001 - 2400000 | Drawing number on right side, early hooks, with or without tooling hole. |
WRA | Hammer | C46008-1W.R.A. | Type 1B | March/1944 to November/1944 | 2400001 - 2530000 | Drawing number on right side, early hooks, "CM" marked, no tooling hole. |
WRA | Hammer | C46008-1W.R.A. | Type 1C | March/1944 to November/1944 | 2400001 - 2530000 | Drawing number on right side, arly hooks, "A" marked, no tooling hole. |
WRA | Hammer Pin | A13668 | N/A | December/1940 to June/1945 | 100101 - 2540999 | |
WRA | Hammer Spring | B8887 | N/A | November/1940 to May/1944 | 100101 - 2540999 | 20 coils |
WRA | Hammer Spring Housing | B8883 | Type 1 | December/1940 to June/1945 | 100101 - 2540999 | |
WRA | Hammer Spring Plunger | B8880 | Type 1 | December/1940 to June/1944 | 100101 - 2540999 | Winged head, 1.542 inches long, head 0.459 inches wide. |
WRA | Hammer Spring Plunger | B8880 | Type 2 | November/1943 to June/1945 | 2340000 - 2540999 | 1.50 inches long, "wingless" head, 0.40 inches wide. Winchester head sides ground flat |
WRA | Handguard Clip | N/A | Type 1B | December/1940 to December/1942 | 100101 - 1276000 | Milled with arched profile. Grove centered on band length wise .07 inches wide by .02 inches deep. |
WRA | Handguard Clip | N/A | Type 2 | December/1942 to August/1943 | 1276001 - 1380000 | Milled with arched profile. No Grove. |
WRA | Handguard Clip | N/A | Type 3 | August/1943 to June/1945 | 1380001 - 2540999 | Stamped steel, flat profile, no groove. |
WRA | Handguard Ferrule | N/A | Type 2 | December/1940 to June/1945 | 100101 - 2540999 | Lip protruding .06 inches from rear barrel hole. |
WRA | Handguard Liner | B8893 | Type 3 | December/1940 to June/1945 | 100101 - 2540999 | Unmarked. Front hole is .350 inches from edge, rear hole is .490 inches from edge. Notch is .70 inches wide by .15 inches deep. |
WRA | Lower Band | C46000 | Type 1B | December/1940 to May/1942 | 100101 - 1200000 | Milled arched profile with central groove and scallops. Unmarked. |
WRA | Lower Band | C46000 | Type 1C | May/1942 to June/1945 | 1200001 - 2540999 | Milled arched profile with central no groove or scallops. Unmarked. |
WRA | Lower Band Pin | N/A | Type 1 | December/1940 to June/1945 | 100101 - 2540999 | Solid Pin. |
WRA | Operating Rod | D35382-W.R.A. | 1A | December/1940 to August/1943 | 100001 - 1787000 | Slant bolt lug,no radius cut, curved side, marking on bottom |
WRA | Operating Rod | D35382W.R.A. | 1B | August/1943 to January/1945 | 1787001 - 2574000 | Slant bolt lug,no radius cut, curved side, marking on bottom |
WRA | Operating Rod | D35382W.R.A. | 6A | January/1945 to June/1945 | 1600000 - 1640000 | WIN-13. Straight bolt lug, no radius cut, flat side, marking on bottom |
WRA | Operating Rod Catch Assembly | C46027 | Type 1 | December/1940 to July/1943 | 100101 - 1350000 | Marked with "CM", "A", punch marked or unmarked. Right and Left fork 0.08 in wide, width at accelerator rivet 0.73 in. |
WRA | Operating Rod Catch Assembly | C46027 | Type 2 | July/1943 to June/1945 | 1350001 - 2540999 | Punch marked. Right fork 0.10 in wide and Left fork 0.07 in wide, width at accelerator rivet 0.79 in. |
WRA | Operating Rod Spring | B46019 | N/A | December/1940 to March/1941 | 100101 - 102000 | Square cross section. |
WRA | Operating Rod Spring | SA14675/B147658 | N/A | March/1941 to June/1945 | 102001 - 2540999 | Round cross section. |
WRA | Rear Hand Guard | C46024 | Type 1 | December/1940 to June/1944 | 100101 - 2450000 | No operating rod clearance cut. |
WRA | Rear Hand Guard | C46024 | Type 2 | June/1944 to June/1945 | 2450000 - 2540999 | Operating rod clearance cut on right rear. |
WRA | Rear Sight Base | C46001 | Type 1B | December/1940 to June/1945 | 100101 - 2540999 | Some bases circa serial# 165,000 may have "CM" marking. |
WRA | Rear Sight Cover | B8872 | Type 1 | December/1940 to August/1941 | 100101 - 116000 | Similar to Type 1D SA. No markings, thinner spring steel. Early ones may be blued, most were light gray-green parkerized. |