Description
Made for 7.62X51 / 308 Cal9310 Hardened Steel Bolt, 17-4 Stainless Steel Firing Pin (Heat treated to H900 Condition)The group comes fully assembled with properly torqued and staked gas keyNitride Treated8620 carrier and gas key.Made in the USAHPT/MPI Tested and MarkedHardened extractor S7 tool steel.
