Manual

Key No. Part No. Part Name Model
42 NS03713 Bolt SR-556
43 NS03717 Extractor SR-556
44 NS03710 Cam Pin SR-556
45 NS03709 Firing Pin SR-556
46 NS03711 Bolt Carrier Cotter Pin SR-556
47 NS03714 Ejector SR-556
48 NS03718 Extractor Pin SR-556
49 NS03715 Ejector Spring SR-556
50 NS10012 Charging Handle Assembly SR-556
51 NS00101 Receiver, Upper SR-556
52 NS00006 Handguard Pin SR-556
53 NSF16600 Handguard Quad Rail SR-556
54 NS02500 Front Bushing SR-556
55 NS03601 Transfer Rod Spring SR-556
56 NS03600 Transfer Rod SR-556
57 NS00040 Regulator SR-556
58 NS00043 Regulator Detent SR-556
* 59 NS03501 Gas Block SR-556
60 NS13401 Flash Hider SR-556
61 NS00082 Cruch Washer SR-556
62 NS00081 Gas Block Solid Pins, 2 req’d SR-556
* 63 NS10301 Barrel SR-556
64 NSF11111 Barrel Nut Fixed Barrel SR-556
* 65 NSF00012 Barrel Extension SR-556
37