Bolt Carrier Groups

This EXO Nickel Boron coated firing pin provides a permanently lubricious surface for extreme durability and increased wear and corrosion resistance.

Bootleg, Four Position Adjustable Carrier, AR-10, Complete, Black Finish (No Bolt)  

San Tan Tactical Enhanced BCG Black Nitride 6MM ARC San Tan Tactical believes in America, and the heritage upon which this great nation was built. They only use the highest quality machine's in conjunction with the highest quality American made...

The 2A Armament AR10 Full Mass Carrier (FMC) was designed and manufactured as a high-quality, full mass bolt carrier group for LR-.308 DPMS style rifles. We manufacture the carrier and bolt in-house to ensure fit and function...

LanTac USA -  Bolt Carrier Group, Nickel Boron Coated, 308WIN E-BCG This DPMS Style 308 BCG is precision machined from 8620 Steel with a 9310 Precision Hard Ground Bolt. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the...

FULL AUTO RATEDMaterial: Case Hardened 8620 SteelFinish: NP3Gas Key: 4140 Steel, attached with Grade 8 hardware and properly stakedCam Pin: Hardened 4140 cam pinFiring Pin: 17-4 Stainless SteelBolt Assembly: Machined from...

DESCRIPTION The Aero Precision EPC/AR9 Bolt is the core of your EPC build. Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision...

This BCG is designed to operate with either 6.5 Grendel or Hornady's new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants. CMMG, AR15 Bolt Carrier Group, 6.5 Grendel or 6MM ARC, Black CALIBER: 6.5 Grendel/6mm...

The 2A Armament AR10 Titanium Regulated Bolt Carrier Group is an excellent option for running a large frame rifle with or without a suppressor all while saving an incredible amount of weight. With the ability to regulate your AR10 gas system, you are...

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...

M16 Full Auto Style for increased mass and lock time.This BCG is precision machined from 8620 steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. LanTac USA LLC, 556 ENhanced BCG, Gold, TiN...

The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable...