The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful black nitride finish, this bolt will continue to run and looks great doing so. Features : Machined from 8620 alloy steel 5.56 Bolt is machined from Carpenter 158 tool steel High pressure tested
Specifications
- Type: Bolt Carrier Group
- Color: Black
- Subcategory: Bolts & Bolt Carrier Groups
Angstadt Arms | MPN: AA56BCGNIT | UPC: 853427007776