(Part 12) Gas Tube Roll Pin
(part 19) Pistol Grip Lock Washer
(Part 17) Ejection Port Cover Hinge Pin Clip
(Part 8) Front Sight Spring
(part 11) Detent Spring
(part 12) Takedown Detent
(part 13) Magazine Catch Spring
(part 16) Disconnector Spring
(part 6) Bolt Catch Spring
(part 21) Selector Spring/Ejector Spring
(part 18) Pistol Grip Screw
(Part 23) Forward Assist Spring
(Part 21) Forward Assist Pin
(Part 19) Ejection Port Cover Spring
(Part 7) Front Sight Detent
(part 9) Bolt Catch Roll Pin
(part 22) Selector Detent
(part 28) Buffer Detent Spring
(part 29) Trigger Guard Pin
(Part 12) Bolt Carrier Key Screw
(Part 4) Ejector Roll Pin
(part 7) Bolt Catch Detent
(Part 18) Ejection Port Cover Pin
(part 27) Buffer Detent
(part 17) Trigger Spring
(part 4) Hammer Spring
(Part 9) Handguard Snap Ring
(Part 10) Firing Pin Retaining Pin
(Part 3) Extractor Spring Assembly
(part 25) A2 Buttstock Spacer
