Centurion Arms Hard Chrome Sandcutter Bolt Carrier Group - 5.56 (BCG-556-CHR-SR)
Conquer the toughest environments with the Centurion Arms Hard Chrome Sandcutter Bolt Carrier Group—a premium, complete 5.56 BCG built for unmatched reliability in sand, dust, and high-round-count use. Featuring a hard chrome Sandcutter carrier with specialized rail cuts to eject debris and reduce fouling, this USA-made assembly pairs exceptional durability with easier maintenance—ideal for duty rifles, suppressed setups, training guns, or any AR-15 where flawless function in adverse conditions is non-negotiable.
Precision-machined with a chrome gas key secured by T-OCKS fasteners (no staking required), hard chrome cam pin, firing pin, retaining pin, and a high-performance chrome V2 standard bolt, this BCG exceeds mil-spec TDP requirements with HP/MPI-tested components and full heat treatment. The hard chrome finish throughout boosts lubricity, corrosion resistance, and simplifies cleaning, while the Sandcutter design ensures consistent cycling even when suppressed or dirty.
Key Features
- Hard Chrome Sandcutter carrier with sand rail cuts sheds debris and prevents buildup for superior reliability in harsh conditions
- Chrome gas key secured with T-OCKS fasteners for secure, failure-resistant attachment without staking
- Premium chrome V2 standard bolt
- Hard Chrome cam pin, firing pin, and retaining pin included for complete, drop-in assembly
- HP/MPI tested, heat-treated components machined to exceed TDP specs for maximum strength and longevity
- Full hard chrome finish enhances lubricity, reduces carbon adhesion, and makes maintenance effortless
- Full-auto profile carrier ensures smooth, reliable operation in standard AR-15 uppers
- 100% USA-made with Centurion Arms' lifetime guarantee against breakage
Specifications
- Manufacturer: Centurion Arms LLC
- Model: Hard Chrome Sandcutter Bolt Carrier Group
- Manufacturer Part Number: BCG-556-CHR-SR-V2
- Caliber: 5.56 NATO / .223 Rem
- Carrier Material/Finish: 8620 Steel, Hard Chrome with Sand Rail Cuts
- Bolt Options: V2 Chrome, E4 Tapered Chrome (requires T-marked extensions), or 6.5mm Grendel Type II/6mm ARC Chrome
- Gas Key: Chrome, secured w/ T-OCKS fasteners
- Cam Pin: Hard Chrome
- Included: Hard Chrome Sandcutter Carrier, Chrome Gas Key w/ T-OCKS, Hard Chrome Cam Pin, Firing Pin, Retaining Pin, Chosen Bolt
- Compatibility: Standard AR-15 / M4 uppers
Whether you're training in dusty ranges, running suppressed fire, or demanding absolute dependability from your AR-15, the Centurion Hard Chrome Sandcutter BCG combines innovative debris management, premium chrome plating, and lifetime-backed performance. Select your bolt and drop it in for battle-proven reliability.
Add this Sandcutter BCG to your cart today and build an AR-15 that's ready for the worst conditions on your next range day or mission!
