Bolt Carrier Groups

Bootleg Inc

Bootleg 5.56 Phosphate Complete Bolt Assembly Kit

Bootleg, 5.56 Phosphate Complete Bolt Assembly Cam Pin, Firing Pin and Retaining Pin, Phosphate Coated, Uses all Standard Mil Spec Components Fits with Bootleg adjustable gas carrier Contains 5.56 phosphate complete bolt, cam pin, firing pin, and...

Aero Precision

Aero 5.56 BCG w/9310 Bolt and Carrier Grooves - NO LOGO

Aero 5.56 BCG w/9310 Bolt and Carrier Grooves - NO LOGO

Aero Precision

Aero 5.56 BCG w/9310 Bolt and Carrier Grooves

Aero Precision 5.56 BCG with 9310 Bolt This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Carrier has forward assist serrations Black...

Lantac USA LLC

LanTac USA 5.56 Cam Pin for Mil-Spec BCG

LanTac USA LLC, CP-R360, 556NATO Cam Pin, Brass Finish, Works on All Mil-Spec BCGs Precise Manufacturing Long Term Reliability Durable Construction Product Description   High quality components and precise manufacturing make Lantac...

Palmetto State Armory

Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo

TOOLCRAFT 5.56 PHOSPHATE MPI FULL-AUTO BOLT CARRIER GROUP - NO LOGO   DETAILS Mil-Spec Carpenter No. 158® Steel Bolt Shot Peened; Mag Particle Inspected  Chrome Lined Full-Auto Carrier Chrome Lined Gas Key; Hardened to USGI...

LMT Defense

LMT F-A Bolt Carrier Group

LMT ENHANCED FULL AUTO BOLT CARRIER GROUP - 5.56 If LMT's standard bolt carrier group is the infantryman of the gun industry, then their enhanced BCG is the delta operator. This carrier group was designed to function effectively in full-auto, suppressed,...

Kali Key AR-10 ERGO + BCG Bundle

Kali Key AR-10 ERGO + BCG Bundle The only solution of its kind on the market: This bundle comes complete with DPMS pattern BCG (Black Nitride with MPI .308 Bolt) and Kali Key Bolt-Action System (B.A.S.), which includes Kali Key Ergo B.A...

Kali Key AR-15 ERGO + BCG Bundle

Kali Key AR-15 ERGO + BCG Bundle The only solution of its kind on the market: This bundle comes complete with BCG (Black Nitride with MPI 5.56 Bolt) and Kali Key Bolt-Action System (B.A.S.), which includes Kali Key Ergo B.A.S. charging handle, Kali Key...

Kali Key AR-15 LO-PRO + BCG Bundle

AR-15 Kali Key Lo-Pro Bolt-Action System (B.A.S.)+ BCG Bundle The only solution of its kind on the market: This bundle comes complete with BCG (Black Nitride with MPI 5.56 Bolt) and Kali Key Bolt-Action System (B.A.S.), which includes Kali...

Sons of Liberty Gun Works

SOLGW Scalper Bolt Carrier Group

Sons of Liberty Gun Works, Bolt Carrier Group, Scalper, 223 Remington/556NATO, Manganese Phosphate Finish, Black  

Lantac USA LLC

LanTac USA BCG Gold Titanium Nitride

Not every customer has the requirement or budget for a fully enhanced, top of the line AR15 accessory. Many users simply need a quality milspec component supplied at a sensible price. M-SPEC is a range of AR15 accessories and components that follow the...

Aero Precision

Aero Precision .308/6.5 BCG High Pressure

This contract overrun black nitride BCG utilizes dual ejectors and is compatible with 308 WIN and 6.5 Creedmoor. This product ships without customer packaging. FEATURES: Black nitride finish High-pressure firing pin hole (for optimal function with 6.5...

Daniel Defense

Daniel Defense BCG 556 BLK

Carrier: Machined from 8620 steel Heavy Phosphate Coated Chrome lined Properly staked gas keys Made in the USA  Bolt: Machined from Carpenter 158 Steel High Pressure Tested Magnetic Particle Inspected Shot Peened Heavy Phosphate Coated Made in...

Noveske

Noveske 5.56 RCA Black Nitride Bolt Carrier Group

RCA 5.56 Black Nitride Bolt Carrier Group – M16 Noveske marked with a black nitride finish. Carrier features 8620 steel with 158 Carpenter Steel bolt and 9310 tool steel extractor and cam pin. Much more than typical Parkerizing, phosphating or...

Noveske

Noveske 5.56 Bolt Carrier Group

5.56 Bolt Carrier Group –Black phosphate finish –Mil-spec –Shot peened & MP tested bolt –Full auto carrier w/staked carrier key — Chrome lined gas key and chrome lined carrier bolt bore

Spike's Tactical

Spikes Tactical BCG M16 Lightweight HPT/MPI Nickel Boron Finish

Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical Lightweight BCG with Nickel Boron Coating.   Spike's Tactical, Bolt Carrier Group, M16, Lightweight, HPT/MPI Bolt,...

CMMG

CMMG AR-15 Bolt Assembly

High quality components and precise manufacturing make CMMG 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.   CMMG, AR15...

CMC Triggers

CMC AR15 Enhanced BCG 5.56

High quality components and precise manufacturing make CMC 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.   CMC...

White Label Armory

White Label Armory AR15 Bolt Carrier Group Rehab Kit - 5.56

Don’t toss that well used bolt carrier group, rebuild it with our rehab kit. If your BCG has seen some high mileage, it might be time to replace all of your common wear items. Freshen it up with a new extractor and springs, firing pin, gas rings...

Angstadt Arms

Angstadt Arms 9mm Bolt Carrier Assembly

Angstadt Arms 9mm Bolt Carrier Assembly 9mm bolt carrier group compatible for use with both GLOCK® and Colt® style 9mm AR-15 magazines without any further modifications.

CMMG

CMMG - AR Conversion Kit, 22LR, SS BCG, 3 Mags, 10Rd

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with a 10rd Magazine. For best performance use a round style hammer as notched hammers can cause function...

Lantac USA LLC

LanTac USA 556 ENhanced BCG Gold TiN Coating

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.

M16 Nickel Boron BCG

Alex Pro Firearms (APF) has been in business since 1976 crafting highly precise components. APF has taken their line of precision AR components and added a Nickel Boron coating to provide increased lubricity and much greater wear resistance than standard...

WMD Guns

WMD Guns Bolt Carrier Group NiB-X Finish

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...