Parts List
NINot Illustrated
1Firing Pin Retaining Pin
2Firing Pin
3Cam Pin
4 / 12Bolt
5Extractor Pin
6Extractor
7Extractor Spring
8Ejector Pin
9Ejector
10Ejector Spring
11Bolt Ring
13 / 16Bolt Carrier
14Bolt Carrier Key Screw
15Bolt Carrier Key
17Pistol Grip Screw
18Pistol Grip Lock Washer
20Selector Spring
21Selector Detent
22Butt Cap Screw
25Swivel Base
26Rear Swivel Screw
27Rear Swivel
29Takedown Pin Detent Spring
30Takedown Pin Detent
31Takedown Pin, Rear
32Buffer Assembly
33Buffer Spring
34Receiver Extension
35Buffer Retainer
36Buffer Retainer Spring
37Hammer / Trigger Pin
38Hammer
39Hammer Spring
42Safety Switch / Selector
43Disconnector
44Trigger
45Trigger Spring
46Disconnector Spring
47Bolt Catch Pin
48Bolt Catch
49Bolt Catch Plunger
50Bolt Catch Spring
51Magazine Catch
52Magazine Release / Button
53Magazine Catch Spring
54Trigger Guard Pivot Pin
55Trigger Guard
60Receiver Pivot Pin
62 / 66Charging Handle
63Charging Handle Latch Pin
64Charging Handle Latch
65Charging Handle Latch Spring
69 / 70Flashhider / Muzzlebrake
71Flashhider Washer
74Handguard Cap
75Gas Tube Pin
76Gas Tube
77Front Swivel Rivet
78Front Swivel
84 / 87Barrel Nut
85Handguard Snap Ring
86Weld Spring
88Handguard Delta Slip Ring
89 - 92Ejector Port Cover & Components
100Forward Assist Retainer Pin
101 / 107Forward Assist
102Forward Assist Spring
103Forward Assist Pawl Pin
104Forward Assist Pawl
105Forward Assist Pawl Detent
106Forward Assist Pawl Detent Spring
108Upper Receiver