Guntech AR .308 CAL BOLT CARRIER GROUP MIL-SPEC BCG (TIN COATED)

Description

• Made for 7.62X51 / 308 Cal

• 9310 Hardened Steel Bolt,

• Hardened extractor S7 tool steel.

• Tin COATING (Gold Titanium Nitride Finish)

• 17-4 Stainless Steel Firing Pin (Heat treated to H900 Condition)

• The group comes fully assembled with properly torqued and staked gas key

• HPT/MPI Tested and Marked

• 8620 carrier and gas key.

• Made in the USA