Bolt Carrier Groups

KAK

KAK Industry K-SPEC Enhanced AR15 Bolt- 5.56/ 300 BLK, Dual Ejector, Phosphate

The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...

KAK

KAK Industry K-SPEC Enhanced AR15 BCG- 5.56/ 300 Blackout, Dual Ejector, Down Vent, Sand Cuts, Chrome Lined Phosphate

Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG...

KAK

KAK Industry AR-15 Carrier Completion Kit Chrome

AR15 BCG CAM PIN 4140 steel, Swiss turned, heat treated, Hard Chrome finish Mil-Spec AR15 M16 556 BCG FIRING PIN Machined to the Mil-spec Print from High Qulity 8740 Steel, Precision ground, Properly heat treated, Chrome plated Material- High Quality...

KAK

KAK Industry K-SPEC Enhanced AR15 Bolt- 5.56/ 300 BLK, Dual Ejector, Chrome

The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual ejector system increases the ejection reliability and...

KAK

KAK Industry K-SPEC Enhanced AR15 Carrier, Down Vent, Sand Cuts, Chrome Lined, Phosphate

Patent Pending KAK Industry K-SPEC AR15 Carrier This is the carrier with gas key only Carrier is cross-compatible, will work with any direct impingement AR15 bolt The K-SPEC BCG combines multiple key features focused on increasing the reliability of your...

KAK Industry AR-15 Carrier Completion Kit Phosphate

AR15 BCG CAM PIN 4140 steel, Swiss turned, heat treated, phosphate finish Mil-Spec AR15 M16 556 BCG FIRING PIN Machined to the Mil-spec Print from High Qulity 8740 Steel, Precision ground, Properly heat treated, Chrome plated Material- High Quality...

KAK Industry AR15 BCG- 5.56/ 300 Blackout, Full Chrome

KAK Industry Complete Chrome AR15 BCG, Heavy Chrome (Machine Gun Chrome Finish) M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, Chrome Finish, Heavy Chrome (Machine Gun Chrome...

KAK Industry K-SPEC Enhanced AR15 Carrier, Down Vent, Sand Cuts, NP3, Chrome Lined

Patent Pending The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG...

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

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...

Ballistic Advantage

Ballistic Advantage 5.56 Bolt Carrier Group - Phosphate

Ballistic Advantage 5.56 Bolt Carrier Group - Phosphate M16 Carrier Machined from 8620 5.56 Bolt Machined from Carpenter 158 Forged Gas Key Properly Staked Tool Steel Extractor Mil-Spec Extractor Spring with black insert and Viton O-Ring Grade 8...

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,...