AR10 DPMS LR308 BCG - Nickle boron

Made from 8620 heat treated steel the new AR10 Bolt Carrier Group (BCG) is the big brother to our AR15 BCG. Chrome lined for heavy use and long life with a Nickle Boron coating this BCG will stand up to years of hard use and high round count. With a shot peened and heat treated 9310 steel bolt and extractor including a crane o-ring for consistent extraction every time. A properly staked, heat treated and chrome lined gas key makes this AR10 BCG the highest quality BCG you will find anywhere near this price. All parts designed, made, and assembled in the US.