Parts Diagrams

Upper Receiver Group

Upper Receiver And Barrel Assembly

Part Description Colt Part Bushmaster Part
(1) Handguard Assembly 64508 9340059
(2) Gas Tube Pin 95108 MS16562-106
(3) Gas Tube 61643 8448567
(4) Flash Suppressor 64502 9349051
(5) Peel Washer 64503 9349052
(6) Handguard Slipring Retaining Ring 90403 MS16626-1137
(7) Spring Weld Assy Handguard Slip Ring 61962 8448555
(8) Handguard Slip Ring (Delta Ring) 62483 8448712
(9) Upper Receiver Assembly 64511 9349063
(10) Barrel 64505  
(11) Barrel Nut 61902 9349054BN
(12) Handguard Cap 64504 9349053
(13) Front Sight Base Assembly 62385 9349054FSHA
(14) Rear Sight Assembly 64521 9349072



[an error occurred while processing this directive]