Spikes Bolt Carrier Group 223 Rem,5.56x45mm NATO Nickel Boron Steel AR-15, M16 Full Auto ST5BG03

Spike's Tactical ST5BG03 NiB Full Auto AR-15 BCG .223/5.56 (UPC 855319005501) Boron beast: Spike's ST5BG03 BCG (UPC 855319005501). .223/5.56 NATO nickel boron coated steel full auto carrier group MPI HPT bolt enhanced extractor staked key ultimate AR-15 M16 slick self lube low friction reliability race gun mil-spec. Spike's ST5BG03 Nickel Boron: Slick shine. Full Auto: Mass momentum. Steel Hard: Abuse armor. MPI Tested: Flaw free. NiB Extractor: Chew chew. Staked Gas: Seal sure. Spike's UPC 855319005501 Glide— Spike's glide. Specs ST5BG03 Spec Details Model ST5BG03 NiB Full Auto BCG UPC 855319005501 Caliber .223 Rem / 5.56 NATO Coating Nickel Boron Profile M16 Full Auto Quality MPI / HPT Certified BCG Brilliance NiB nirvana—Spike's nirvana. Uses Custom ARs: Lube less. Competition: Speed slick. Suppressed: Carbon clean. ST5BG03 Friction Fighter "ST5BG03 install!" instant. "BCG value," victory. ST5BG03 (UPC 855319005501) 4.9/5. Slides supreme. Suppresses stop. Spike's Tactical Nickel Boron Full Auto BCG: ST5BG03. The End