5.56 NATO AR-15 Bolt Carrier Groups

AT3 Tactical is bringing you the best with this Top-Tier Black Nitride Bolt Carrier Group Getting a high quality bolt carrier group (BCG) that runs well in your rifle is...

AT3 Replacement AR-15 Bolt This AR-15 replacement bolt from AT3 Tactical easily replaces a broken bolt in your rifle. This bolt comes complete with extractor and ejector assemblies already installed...

Rise Armament Nickel Boron AR-15 Bolt Carrier Group RISE Armament offers its signature AR-15 Bolt Carrier Group in a nickel boron coating, which provides unparalleled performance due to its unique...

An Exceptional BCG Upgrade with A Unique TiN PVD Finish For 556 Rifles This Faxon Firearms Bolt Carrier Group is a complete high-quality BCG upgrade designed for AR15/M16 platforms chambered...

KAK Industry K-SPEC Side Venting 5.56 BCG with Dual Ejector Bolt The K-SPEC Enhanced AR15 BCG is a high-quality bolt carrier group designed for use with 5.56, 300 Blackout, and...

High-Quality BCG Upgrade For .223/5.56 & 300 Blackout The Odin Works .223/5.56 Bolt Carrier Group is a high-quality upgrade for Mil-Spec BCG that fits AR-15/M4 pattern rifles in .223 Remington,...

A Very Durable & Very Smooth E-BCG in Black Nitride The Lantac AR-15 Enhanced Bolt Carrier Group is designed and machined from 8620 steel with a shot-peened bolt. It's been...

Advanced E-BCG in Nickel Boron Coated With UCT EXO The Lantac AR-15 Enhanced Bolt Carrier Group is designed and machined from 8620 steel with a shot-peened bolt. It's been manufactured...

Battle Arms Development Standard M16 AR-15 Bolt Carrier Group Made with a variety of smoothly machined quality materials, this bolt carrier exceeds all mil-spec standards. A staked gas key and...

Top-Quality Precision BCG from Wilson Combat The Wilson Combat AR-15/M16 Bolt Carrier Group is a precision quality part from Wilson Combat manufactured by the finest domestic Mil-Spec contractors and considered...