Bolt Carrier Groups

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices. KAK Industry, AR-15...

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices. KAK Industry, AR-15...

KAK - K-SPEC Enhanced AR15 Bolt 5.56/ 300 Blackout Dual Ejector -Chrome Finish The K-SPEC dual ejector system uses mil-spec ejectors and springs that require no proprietary parts.  Ejector holes are...

TRIARC Systems Mil-Spec AR15 Bolt Carrier Group - 5.56 / 300 BLK - Black Nitride Precision-machined from case hardened steels and protected with a slick Black Nitride finish, this bolt carrier group...

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

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the...

The Faxon 5.56 M16 Bolt Carrier Group, Nitride is a high-performance and reliable upgrade for your AR-15 rifle. This bolt carrier group is designed for optimal performance and is made from...

This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent...

The Rosco Melonite Bolt Carrier Groups are designed to meet the needs of modern carbine shooters. They incorporate input from both consumers and military end users to ensure you get the product you...

Bootleg AR10 .308 Complete Bolt Assembly Upgrade your carrier with confidence today. Additionally, by completing your Bootleg, Inc. AR 10 Carrier with the Bootleg, Inc. .308 AR Carrier Completion...

KAK K-SPEC Low Mass BCG - NP3 Finish C158 Bolt and 4140 Cam Pin - Gold Anodized When your build demands uncompromising performance across all conditions—suppressed or unsuppressed—the K-SPEC Bolt...

Colt Bolt Repair Kit - AR15/M4 Keep your AR15/M4 rifle mission-ready with the Colt’s Manufacturing Bolt Repair Kit—a compact, black-finished set of critical components built for quick field repairs...