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USRIFLECAL30M1.com M1 Garand Components Listing by Part Group

* All dates and serial numbers are approximate *

USRIFLECAL30M1.COM M1 Garand Components List
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 204 items in 5 pages
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HRABarrelD6528287N/AJanuary/1953 to December/19564660001 - 6034729Marked "HRA". Receiver Serial #'s 5,600,000 - 5,700,000 may have barrels manufactured by LMC and marked "LMR".
HRABullet GuideB8875Type 5January/1953 to December/19564660001 - 6034729Stamped steel, wide slot. Notch 0.25 inch in radius on upper left side.
HRAClip EjectorC46018N/AJanuary/1953 to December/19564660001 - 6100500parkerized
HRAClip LatchC46011Springfield 2January/1953 to December/19564660001 - 5793547Squared front end, unmarked
HRAClip Latch PinN/AN/AJanuary/1953 to December/19564660001 - 60347293.280 inches long,head is 0.155 inches in diameter and 0.065 inches high. Opposite end slightly rounded. Body of pin is 0.119 inches in diameter.
HRAClip Latch SpringN/AN/AJanuary/1953 to December/19564660001 - 60347290.03 inch steel wire, 5 coils, outside diameter 0.26 inch. White finish is original, Parkerized indicates refinishing.
HRAFollower and SlideN/AType 2FJanuary/1953 to December/19564660001 - 6034729Unmarked.
HRAFollower ArmB8869Type 4January/1953 to December/19564660001 - 6034729No bevel, rounded follower arm pin lugs. Unmarked.
HRAFollower Arm PinA13667Type 3January/1953 to December/19564660001 - 6034729No rebate on either end, straight shaft.
HRAFollower RodC64331Type 5January/1953 to December/19564660001 - 6034729Stamped sheet metal. Long fork plate riveted. No marking. Grooves/knurls eliminated.
HRAGas CylinderD35449Type 2CJanuary/1953 to December/19564660001 - 6034729.575 - .580 inch front sight base, flat top on rear ring, unmarked. May show numbers or letters for machinist's marks.
HRAGas Cylinder LockB147426Type 3BJanuary/1953 to December/19564660001 - 6034729Front face not chamfered. Hardened, high hump with round edges.Unmarked. 1.455 inches high.
HRAGas Cylinder Lock Screw(Plug)B7310079Type 3January/1953 to December/19564660001 - 6034729Return poppet valve, cross shaped slot. Marked "HRA" or "HRA O".
HRALower BandC46000Type 3January/1953 to December/19564660001 - 6034729Stamped flat profile with no groove or scallops. Unmarked.
HRALower Band PinN/AType 2January/1953 to December/19564660001 - 6034729Roll pin.
HRAOperating Rod6535382 HRA10January/1953 to December/19564660001 - 6034729Straight bolt lug, 5/16 radius cut, flat side, marking on bottom
HRAOperating Rod Catch AssemblyC46027Type 2January/1953 to December/19564660001 - 6034729Unmarked. Right fork 0.10 in wide and Left fork 0.07 in wide, width at accelerator rivet 0.79 in.
HRAOperating Rod SpringSA14675/B147658N/AJanuary/1953 to December/19564660001 - 6034739Round cross section.
HRAReceiver6528291N/AJanuary/1953 to December/19544660001 - 5793847 
HRAReceiver652891-XN/AJanuary/1954 to December/19564660001 - 5793847 
HRAReceiverD-628291N/AJanuary/1953 to December/19534660001 - 5793847 
HRAReceiverD628291-AAN/AJanuary/1954 to December/19564660001 - 5793846 
HRAReceiverD628291-EN/AJanuary/1955 to December/19565488247 - 5793847 
HRAReceiverD628291-JN/AJanuary/1954 to December/19544660001 - 5793847 
HRAReceiverD628291-LN/AJanuary/1954 to December/19544660001 - 5793847 
HRAReceiverD628291-PN/AJanuary/1954 to December/19564660001 - 5793847 
HRAReceiverD628291-QN/AJanuary/1954 to December/19564660001 - 5793847 
HRAReceiverD628291-YN/AJanuary/1954 to December/19544660001 - 5793847 
IHCBarrelD6535448N/AJanuary/1953 to November/19564400000 - 5278245Manufactured by Line Material Compay. Barrels are marked with date and "LMR". Date should be within a few months of Receiver manufacture date.
IHCBullet GuideB8875Type 5January/1953 to December/19564400000 - 5278245Stamped steel, wide slot. Notch 0.25 inch in radius on upper left side.
IHCClip EjectorC46018N/AJanuary/1953 to December/19564400000 - 5278245parkerized
IHCClip LatchC46011Springfield 2January/1953 to December/19564400000 - 5278245Squared front end, inspector's initials("A" or "C") beside spring retaining hole on inside
IHCClip Latch PinN/AN/AJanuary/1953 to December/19564400000 - 52782453.280 inches long,head is 0.155 inches in diameter and 0.065 inches high. Opposite end slightly rounded. Body of pin is 0.119 inches in diameter.
IHCClip Latch SpringN/AN/AJanuary/1953 to December/19564400000 - 52782450.03 inch steel wire, 5 coils, outside diameter 0.26 inch. White finish is original, Parkerized indicates refinishing.
IHCFollower and SlideN/AType 2FJanuary/1953 to December/19564400000 - 5278245Unmarked.
IHCFollower ArmB8869Type 4January/1953 to December/19564400000 - 5278245No bevel, rounded follower arm pin lugs. Unmarked.
IHCFollower Arm PinA13667Type 3January/1953 to December/19564400000 - 5278245No rebate on either end, straight shaft.
IHCFollower RodC64331Type 5January/1953 to December/19564660001 - 5793847Stamped sheet metal. Long fork plate riveted. No marking. Grooves/knurls eliminated.
IHCGas CylinderD35449Type 2CJanuary/1953 to December/19564400000 - 5278245.575 - .580 inch front sight base, flat top on rear ring, unmarked. May show numbers or letters for machinist's marks.
IHCGas Cylinder LockB147426Type 3AJanuary/1953 to December/19564400000 - 5278245Front face not chamfered. Hardened, high hump with square edges. Unmarked. 1.455 inches high.
IHCGas Cylinder Lock Screw(Plug)B7310079Type 3January/1953 to December/19564400000 - 5278245Return poppet valve, cross shaped slot. Marked "IHC" or "IHC NHC".
IHCLower BandC46000Type 3January/1953 to December/19574400000 - 5278245Stamped flat profile with no groove or scallops. Unmarked.
IHCLower Band PinN/AType 2January/1953 to December/19564400000 - 5278245Roll pin.
IHCOperating Rod6535382 IHC10December/1955 to December/19565100000 - 5278245Straight bolt lug, 5/16 radius cut, flat side, marking on bottom. May have a letter marking below drawing number on late production.
IHCOperating RodD-6535382 IHC10January/1953 to December/19544400000 - 4660000Straight bolt lug, 5/16 radius cut, flat side, marking on bottom
IHCOperating RodD6535382 IHC10January/1954 to December/19555000501 - 5150000Straight bolt lug, 5/16 radius cut, flat side, marking on bottom
IHCOperating Rod Catch AssemblyC46027Type 2January/1953 to December/19564400000 - 5278245Early unmarked, later marked "B,C,F,G,H, or I". Right fork 0.10 in wide and Left fork 0.07 in wide, width at accelerator rivet 0.79 in.
IHCOperating Rod SpringSA14675/B147658N/AJanuary/1953 to December/19564400000 - 5278245Round cross section.
IHCReceiverD6528291-CN/AJanuary/1953 to December/19534400000 - 4660000 
IHCReceiverD6528291-DN/AJanuary/1953 to December/19534400000 - 4660000 


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