Vktr Industries WLA-BCG-3021 BOLT Billet Extractor 5.56 NATO Phosphate AR-15

Faxon AR-15 Bolt Assembly 6.5 Grendel, 6mm ARC, 22 ARC, 338 ARC

FailZero AR-15 Bolt Carrier Group 5.56x45mm NATO Black

CMMG AR-15 Bolt Upgrade Kit

KAK Industry K-Spec Enhanced Complete Assembled Bolt Only 5.56x45mm/.300 AAC Blackout, Black

Luth-AR Bolt Component Kit AR 15 Stainless

Armaspec Firing Pin, Silver - Durable Firing Pin for Consistent Performance - ARM683-SS

KAK Industry Carrier Completion Kit