Description
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.
Machined from 8620 alloy steel “5.56 Bolt is machined from Carpenter 158 tool steel” “High pressure tested”
