The Santan Tactical AR15 5.56 BCG Mil-Spec Black is a dedicated bolt carrier group engineered to keep your AR-15 running smoothly and reliably. Built to true mil-spec standards and finished in a...

The Knights Armament E2 Mod1 6.5mm Creedmoor Bolt Assembly Kit for SR-25 is a purpose-built replacement bolt designed specifically for KAC rifles chambered in 6.5 Creedmoor. Engineered as a high...

The San Tan Tactical Santan 6mm Arc Bcg Black is a dedicated bolt carrier group engineered specifically for AR-15 rifles chambered in 6mm ARC. Built around a precision-machined carrier and bolt with...

The Noveske Carrier Completion Kit is built around the Noveske N6 nitride large frame bolt carrier, designed to pair perfectly with N6 barrels and complete your large-frame AR bolt carrier group...

The TacFire BCG AR15 223/556/300BO BCG is a complete AR-15 bolt carrier group built to keep your rifle cycling smoothly with popular cartridges like .223 Remington, 5.56 NATO, .300 Blackout, and .350...

The TacFire BCG-NIB AR15 223/556/300BO Bolt Carrier Group delivers a smooth, dependable cycling solution for AR-15 and M16 pattern rifles. Built around an M16-style carrier machined from 8620 tool...

The Andro Corp Industries ACI AR15BCGN AR15/M16 BCG Nitrided bolt carrier group is built to mil-spec dimensions for shooters who want dependable cycling and long service life in their AR-15 or M16...

The Knights Armament E2 Mod 1 6.5mm Creedmoor Bolt Carrier Group Kit For SR-25 is a purpose-built upgrade for shooters running KAC 6.5 Creedmoor rifles or SR-25 / M110 pattern 7.62 platforms. This...

The Geissele Reliability Enhanced Bolt Carrier And Gas Key is a full-mass, full-auto rated M16/M4 5.56mm carrier group component engineered for shooters who demand consistent function from their...

The LWRCI 6.8SPC Advanced Direct Impingement Bolt Carrier Group is engineered for shooters who want a refined, hard-running upgrade for their AR-15 pattern rifle. Built around LWRC’s advanced bolt...

The San Tan Tactical SANTAN AR15 5.56 BCG NP3 is a premium bolt carrier group designed to enhance reliability and smooth cycling in AR-15 pattern rifles. Built around a 5.56 platform and treated with...

The Q Honey Badger Update Kit BCG and Buffer System refreshes earlier Honey Badger rifles built before 2026 with the same internal engineering found in current-production guns. This factory kit...