The J P Enterprises AR15 223 Bolt Completion Group is a premium EnhancedBolt assembly designed for AR-15 platforms running .223 Remington, 5.56 NATO, or .300 BLK. Machined from SAE 9310...

The J P Enterprises Firing Pin Retaining Pin .308 is a purpose-built cotter-style pin engineered for large-frame AR .308 and AR-10 class bolt carriers. Designed to replace the standard split-pin...

The J P Enterprises AR 308 Enhanced Gas Ring is engineered to deliver a more consistent gas seal and smoother cycling for DPMS LR-308 and compatible AR-15 pattern rifles. Using a precision-ground,...

The LMT Defense Semi-Auto 7.62x51 Nato Bolt Carrier Group is built to the same demanding standards as the company’s renowned enhanced 5.56 carriers, delivering smooth cycling and dependable operation...

The Superlative Arms AR-15 Direct Impingement Bolt Carrier Left Hand Black is a purpose-built carrier designed for shooters running left-handed AR-15 uppers. Machined from 8620 steel with a mil-spec...

The KAK Industry K-Spec Enh BCG 556 Sv De Chrm is an enhanced bolt carrier group engineered to keep your AR-15 style rifle running smoothly in both suppressed and unsuppressed configurations...

The KAK Industry K-Spec Enh BCG DE 6.5GREN BLK is a dedicated 6.5 Grendel bolt carrier group engineered to keep AR-15 pattern rifles running smoothly in a wide range of conditions. Built around an...

The Luth-AR 308-BCACL Etro DPMS LR-308 Bolt Carrier is a purpose-built component for shooters running DPMS-pattern LR-308 rifles. Precision machined for smooth cycling and consistent lockup, this...

The Lantac E-BCG 556 Side Charge NIB Enhanced Side Charger Bolt Carrier Group is built for shooters who want smoother operation and easier manipulation of their AR platform. This complete bolt...

The Angstadt Arms AR-15 Bolt Carrier Assembly .40 S&W is a dedicated pistol-caliber bolt carrier group built for shooters who want reliable performance from their .40 S&W AR platform. Machined from...

The Knights Armament 5.56 NATO Win Bolt Assembly Kit With Dual Ejector For SR-15/16 is a purpose-built upgrade for shooters running KAC SR-15 or SR-16 rifles with E3 barrel extensions. This complete...

The Volquartsen Competition Bolt 2.0 For 10/22 is a precision CNC-machined bolt assembly designed to bring match-grade reliability to Ruger 10/22 style rifles. It features a hardened, tuned extractor...