Bolt Carrier Group

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...

Purpose-built for 9mm AR-15 pistol caliber carbines, their Generation 2 PCC blow-back carriers keep the features of their well-loved first BCG with modern improvements. They maintain the dual COLT/GLOCK compatible geometry, user-removable weight and...

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...

This 6.5 Grendel Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.5 Grendel (Type 2). All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity,...

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease...

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...

LBE .308 Bolt Carrier Group (DPMS Style). Billet carrier machined from 8620 Steel and Case Hardened.Features :Mil-Spec Phosphate CoatingProperly Staked Gas KeyBolt- 158 Carpenter SteelChrome Lined Gas Key and Firing Pin Channel

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

This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are coated with EXO...