Bolt Carrier Group

This 9mm bolt carrier group is compatible with both GLOCK and Colt style 9mm AR-15 magazines without any further modifications. It features removable weight for use with the Law Tactical folding stock adapter.Features :For Use with a Standard AR-15...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .458 SOCOM Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability, and increased...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec .450 Bushmaster Upper Receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanents dry lubricity, extreme durability, increase...

This BCG is designed to operate with either 6.5 Grendel or Hornadys new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants.Features :CALIBER: 6.5 Grendel/6mm ARC

The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components.Features...

This AR10 Black Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme durability and increases...

Black Rain Ordnance, Inc. is a precision firearms manufacturer specializing in modern sporting rifle designs and high quality accessories.Features :For Left Side Ejecting UppersNickel Boron Coated223/556Bolt and Carrier Group