Bolt Carrier Groups & Parts

Sons of Liberty Gun Works looks at the bolt carrier group as the heart of the gun. If the gas port is the lungs, then the bolt carrier group is the heart. Its what drives the entire gun. If you look...

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...

This complete 223/5.56 bolt carrier group includes mil-spec bolt, m16 type, bolt carrier, firing pin, retainer, and cam pin.It has a black manganese phosphate coating with ceramic lined bolt carrier...

This complete 223/5.56 bolt carrier group includes mil-spec bolt, m16 type, bolt carrier, firing pin, retainer, and cam pin.It has a black manganese phosphate coating with ceramic lined bolt carrier...

Material: 8620 (carrier), 9310 (bolt), Billet (extractor)Coating: Black NitrideCaliber: 5.56X45mm (NATO), .300 BLKCarrier key: Stake per Mil Spec

This nickel boron bolt carrier is an eye catching addition to your ar build.It features mil-spec dimensions and coating, is made of steel, with a shrouded firing pin, mil-spec extractor spring, black...

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...

High quality components and precise manufacturing make Lantac parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...

High quality components and precise manufacturing make Lantac parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...

Bolt carrier assy 5.56 nickel.Low mass | polished nickel.

This bolt carrier is a valuable addition to your ar15 build.It features a mil-spec phosphate coating, properly staked gas key with a chrome lined gas key and firing pin channel, a black o-ring insert...

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...

Cmmg parts firing pin for ar-15 FEATURES

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent...

Spikes tactical complete phosphate m-16 bcg features phosphate coating inside and out (bolt, carrier and gas key), laser engraved with st spider logo, mil spec carrier and full auto m-16.Includes...

Ab arms firing pin 5.56mm ar-15 chrome FEATURES

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...

High quality components and precise manufacturing make LuthAR parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...

The enhanced bolt carrier group for ar15/m16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces.All materials,...

This m5.308/7.62 bolt carrier is a firing mechanism for your big-bore rifle build.It features a mil-spec phosphate finish, is made of steel, chrome lined gas key and firing pin channel, and has...

Cmmg action tuning kit mkg/mkgs/mk57 FEATURES:-Allows you to adjust the action to your preference much like changing buffers or changing gas port settings on an adjustable gas block-1 oz weight, 2...

Lantac Usa Llc Enhanced Side Charger Bolt Carrier Group, Fits Ar15, M16 Style, Nickel Boron Finish, Silver 01-up-sc-nib-ebcgModel: Enhanced Side Charger Bolt Carrier GroupFinish/Color: Nickel Boron

Luth-ar Part, Bolt Gas Rings Bt-01-30pProduct Type: PartDescription: Bolt Gas Rings

High quality components and precise manufacturing make LuthAR parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...