AR-15 6.5 GRENDEL TYPE II (.136" CO-BORE) BOLT - 9310 NITRIDE
9310 Tool Steel Construction (Stronger than C158)
Full MIL-SPEC Heat Treatment
Shot Peened to MIL-SPEC
Magnetic Particle Inspection (MPI)
Back of Lugs Chamfered for Reliability
Spring, Insert, & "Crane" O-Ring Installed
QPQ - Salt Bath Nitrided
.136" Co-Bore (Type II) Bolt Face for 6.5 Grendel
Link to parts manufacturer9310 Tool Steel Construction (Stronger than C158)
Full MIL-SPEC Heat Treatment
Shot Peened to MIL-SPEC
Magnetic Particle Inspection (MPI)
Back of Lugs Chamfered for Reliability
Spring, Insert, & "Crane" O-Ring Installed
QPQ - Salt Bath Nitrided
.136" Co-Bore (Type II) Bolt Face for 6.5 Grendel
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