Bolt Carrier Groups

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...

Whether youre looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you need. Complete your carrier with quality today!Features :Fits with Bootleg adjustable gas carrierContains...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...

BCG components are NiB-X coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial...

Phase 5s Mil-spec M16/M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt. All bolts are HPT/MPI tested.Features :Black Phosphate...

Failzero Bolt Carrier Group, Silver, No Hammer, Nickel Boron Fz-6.5-grendel-01-nhProduct Type: Bolt Carrier GroupFinish/Color: Nickel BoronDescription: No Hammer

Aero Precisions .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision A logoFeatures :Black Nitride...

This 6.8 SPC Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.8 SPC. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...

Enhanced 9mm Blowback AR-15 Bolt Carrier Group is compatible with both COLT and GLOCK magazine configurations. Features reliable AR-15 style extractor claw with O-Ring and spring and broad trigger compatibility with ramped bottom geometry. Charging...

Lantacs new BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO...

Manufactured by Defense Industrial Base suppliers to WMDs exacting specifications to provide the best BCG available, these BCGs are specifically engineered for NiB-X nickel boron coating to provide long life, high reliability and easy cleaning and...

Machined from 4140" Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, M16 Style.Features :Nitride CoatingMachined from 4140M16 Style