Bolt Carrier Group Full-Auto 5.56/223/300 Blackout Nitride MPI Rated HPT Treated - $134.95

Description

9310 5.56/.223/300 AAC Blackout bolt
Heat treated
Shot peened
H&M Black Nitride finish
MPI
4140 billet gas key
H&M Black Nitride Finish
Properly seated with Grade 8 fasteners
Properly staked to ensure reliability
4140 Cam Pin nitride treated for wear resistance
Billet Machined Extractor
Machined from solid 4140 bar stock, heat treated and shot peened
Phosphate coated for reliable extraction
Extractor insert included
O-Ring included
8620 M16 style carrier
H&M Black Nitride finish
Properly heat treated
Final grind before plating
Firing pin precision machined from 17-4 H-900 Stainless Steel
100% USA Made

No one can beat the quality for the price.