Finned Profile AR15 Carrier, Nitride

Build a Bolt Carrier GroupLike Build A Bear, But For AdultsIf you purchase a Carrier, you'll receive just that, a complete carrier w/ staked gas keyIf you Add a Bolt and Completion Kit, You will receive the a complete, assembled BCG with the Option you selectedTo view product pictures for bolts you'll need to visit that product pageKAK Industry Finned Profile Carrier This unique carrier featurs a finned design, giving fouling a place to go, as well as looking retro like a old valve cover Full Auto ProfileCarrier- 8620 steel, outside rails, bolt runs, and gas bores ground to .0002 tolerances, nitride finishBolt- 9310 steel, outside diameters ground to .0002 tolerances, MPI testFiring Pin- 8740 steel, Swiss turned, heat treated, precision ground, chrome platedCam Pin - 4140 steel, Swiss turned, heat treated, nitride finishExtractor- 4140 steel, fully machined, Phosphate coatedExtractor pin- S7 tool steel, ground, heat treatedEjector- S7 tool steel, ground, heat treatedGas key - 4130 steel, heat treated, secured with T25 torx fasteners, torqued to spec, staked with hydraulic staking machine11.5 oz Machined in house and assembled using only the finest steels and components. KAK Industry takes pride in producing some of the finest Mil-Spec/ Enhanced AR15 bolt carrier groups available, made 100% in house at our MO facility using Doosan machining centers, Tsugami Swiss turning, and the latest in FANUC robotics combined into an automated cell giving us lights out production capability. In house automated CMM Inspection processes ensure consistent quality.