Bolt Carrier Groups

Mil-spec enhanced BCG with proper staking and QC

Full-auto rated BCG with DD's proprietary coating. Enhanced extractor and mil-spec plus construction.

Dead-blow counterweight BCG that runs forced reset triggers and super safeties on a standard 3 oz carbine buffer, no tungsten H2/H3 required.

S7 tool steel M16 carrier with a four-position gas vent adjustable through the ejection port. Tunes carrier velocity for suppressed rifles and cycling-sensitive builds.

Premium 5.56/.223 and .300 Blackout BCG with heavy phosphate coating, chrome-lined carrier, and extractor booster.

JPBC-1A aluminum ultra-low-mass carrier group with enhanced bolt for tuned competition rifles.

Full hard chrome BCG from the same factory that supplies military contracts. Extremely durable finish.

Full-auto M16-profile .308 carrier in black nitride. The full-auto carrier underside is what reliably resets a forced-reset trigger in an AR-10.

Nitride 9mm EPC bolt carrier group for direct-blowback AR9 builds.

Duty-grade BCM auto-profile BCG with FDE IonBond finish, chrome-lined carrier, and BCM extractor upgrades.

Drop-in .22LR conversion bolt for an existing 5.56 AR-15 upper, the budget alternative to a dedicated rimfire upper for an FRT build.

9310 steel Type 2 (.136) bolt head; Faxon offers this bolt as the matching option on its .338 ARC barrel page.

Self-contained carrier that replaces the BCG, recoil spring and buffer, so the rifle cycles inside the receiver and can fire folded.

Enhanced BCG with redesigned bolt and extractor geometry. Improved reliability with steel-cased ammo.

D2 tool steel bolt assembly that fixes the documented soft-bolt peening and out-of-battery detonation issue on the CZ Scorpion platform

8620 alloy steel, black nitride 9mm bolt carrier group for Glock- and Colt-pattern AR9 builds.

8620 steel, hard nitride 9mm blowback BCG for Glock- and Colt-pattern builds.

Dedicated .22 LR AR bolt group with a Gen 2 barrel collar, hardened firing pin and extractor, and a six-pound recoil spring.

Single-piece steel billet 9mm BCG with a black nitride finish for Glock- and Colt-pattern builds.

Hard-chrome Sandcutter BCG with debris-clearance carrier cuts and Centurion chrome bolt options.

Current CMMG 9mm Radial Delayed Blowback retrofit kit built around the fixed-ejector upper and matching bolt-carrier setup.

The Colt-made carrier clone builders want. M16 full-auto profile, chrome-lined carrier and gas key, HPT/MPI tested. Hard to find.

Premium DLC-coated BCG with proprietary finish. Ultra-smooth cycling and exceptional corrosion resistance.

Nickel boron coated BCG designed to run without lubrication. Extremely easy to clean.

Full-mass AR-10/DPMS bolt carrier group rated for .308, 6.5 Creedmoor, and 8.6 Blackout. 8.6 uses the standard .308 bolt face, so this is the bolt for an 8.6 build, no dedicated bolt required.

Full-mass nitride 9mm blowback BCG with Glock, Colt, and MP5 lower compatibility.

Glock-pattern 9mm bolt carrier kit with a carbine recoil spring and heavy buffer.

4340 steel, salt bath nitride 9mm bolt carrier assembly for Glock-pattern AR9 builds.

8620 steel, nitride 9mm bolt carrier group for Glock- and Colt-pattern AR9 builds.

8620 steel, nitride 9mm blowback BCG for Glock- and Colt-pattern AR9 builds.

Enhanced BCG with nickel boron coating and upgraded components. Designed for reliability in adverse conditions.

Nitride-treated 8620 steel Gen4 9mm BCG for PSA Glock-pattern platforms.

NP3 (electroless nickel Teflon) coated BCG for self-lubricating performance. Ideal for suppressed use.

Mil-spec BCG with enhanced inspection and QC

HPT/MPI-tested .308 carrier with a 9310 steel bolt rated for the higher bolt thrust of 7.62x51; the value high-pressure pick for a DPMS-pattern AR-10.

Nitride-treated BCG for improved corrosion resistance and easier cleaning than phosphate.

Diamond-Like Carbon coated BCG combining Toolcraft value with premium coating. Best of both worlds.

Mil-spec phosphate BCG at an unbeatable price point. Toolcraft is the OEM for many premium brands.

T.REX-branded AR-15 bolt carrier group for 5.56-pattern builds.

Full-mass 5.56/.300 Blackout BCG with downward gas vents, dual ejectors, and debris-clearing carrier-rail cuts.

PSA AR-V parts kit anchored by the dedicated AR-V 9mm bolt carrier group for Scorpion-pattern magazine builds.