LANTAC Enhanced Bolt Carrier Group
Weight 11.7oz - Forward Porting enlarged vents - Balanced flared boss - 8620 Carrier Heat Treated Hard Turned Chrome Lined - MPI Carpenter 158 Bolt Shot Peened Hard Turned / Ground - NiB UCT EXO Coating - CP-R360 Domed Cam Pin - Mil-Spec Gas Rings - Mil-Spec Staked Gas Key - Grade 8 Hardened Fasteners - All Hard Chrome surfaces are to MIL-STD-171 1.2.2.2 - Shot Peening is conducted with S110 shot - Established by Almen Gage A-2 strip .006 -.008
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