Bolt Carrier Groups

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...

Failzero 450 Bushmaster, Bolt Carrier Group, Silver, No Hammer, Nickel Boron Fz-450-01-nhModel: 450 BushmasterProduct Type: Bolt Carrier GroupFinish/Color: Nickel BoronDescription: No Hammer

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

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...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16" M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and...

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...

Odin Works Bolt Carrier Group, Bolt Carrier Group, Stainless Steel Finish Acc-9mm-enhanced-bcg-ssModel: Bolt Carrier GroupProduct Type: Bolt Carrier GroupFinish/Color: Stainless

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

High quality components and precise manufacturing make Midwest Industries parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features...

Complete Mil Spec M16 bolt carrier group.Features :8620 Steel CarrierPhosphate Finish9310 Steel Bolt

The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCGs Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful...

Midwest Industries Enhanced Bolt Carrier Group, Black, Bcg Mi-bcg-556ehModel: EnhancedProduct Type: Bolt Carrier GroupDescription: BCG