One is used and marked HP/MPI. 9310, Nitride. $30
The other was removed from a GA BCG and is marked MP. It is brand new and was never used. 9310 Bolt MP inspected, High Pressure Tested Bolt properly heat treated, shot peened, and post heat treat ground with headspace held to half the blueprint specification. $40
Both are 223 face.
Prices shipped OBO. PPFF preferred.
The other was removed from a GA BCG and is marked MP. It is brand new and was never used. 9310 Bolt MP inspected, High Pressure Tested Bolt properly heat treated, shot peened, and post heat treat ground with headspace held to half the blueprint specification. $40
Both are 223 face.
Prices shipped OBO. PPFF preferred.
