Radian Weapons126513752
Radian Bolt Carrier Group - Black Nitride 5.56 NATO for AR-15$217.83
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Availability: In Stock
Current Stock: Out of stock
The Daniel Defense Premium DD Bolt Carrier Group 5.56 is a complete, mil-spec bolt carrier assembly engineered for AR-15 rifles and carbines that demand reliability under hard use. Whether you're upgrading an existing upper or building from scratch, this drop-in assembly includes everything you need—bolt, carrier, and firing pin—ready to function out of the box. Daniel Defense's attention to manufacturing detail shows in every component, from the shot-peened bolt that resists wear to the properly staked gas key that eliminates gas leakage and short-stroking.
Built for shooters who run their guns hard, the DD bolt carrier group features an extractor booster designed to cycle reliably through rapid fire and maintain consistent function across a wide range of ammunition. The black phosphate finish provides corrosion resistance and a professional appearance. Each assembly is magnetic particle inspection tested before it ships—a quality-control step that catches internal flaws invisible to the naked eye and significantly reduces the risk of premature failure in the field or at the range.
The M16-style carrier design includes a full-length shroud, which means this assembly is compatible with full-auto sear equipped rifles used by law enforcement and military operators. For civilian AR-15 shooters, that engineering translates to a carrier built to military specifications and combat-proven reliability standards. If you're serious about your rifle's performance and longevity, the Daniel Defense bolt carrier group is worth the investment.
| Caliber | 5.56 NATO |
| Type | Mil-spec bolt carrier group |
| Components Included | Bolt, bolt carrier, firing pin |
| Finish | Black phosphate |
| Carrier Style | M16-style with full-length shroud |
| Quality Control | Magnetic particle inspection tested |
Yes. The Daniel Defense Premium DD Bolt Carrier Group 5.56 is a complete mil-spec assembly designed to drop into standard AR-15 and AR-15 carbine uppers. As long as your upper is chambered in 5.56 NATO, this carrier will function.
Shot-peening is a process that bombards the bolt surface with small steel pellets, creating a hardened outer layer. This increases surface strength and resistance to wear and fatigue, extending the bolt's service life under repeated firing cycles.
This assembly is built to mil-spec standards and the M16-style carrier includes a full-length shroud compatible with full-auto sear equipped rifles used by military and law enforcement. For civilian shooters with semi-auto AR-15s, it provides the same quality and reliability engineered to those standards.
Magnetic particle inspection is a quality-control process that uses magnetic fields to detect internal flaws, cracks, and defects invisible to visual inspection. Each Daniel Defense carrier group is tested this way before shipment to ensure it's free from imperfections that could cause premature failure.
SKU: 126513992 • Width: 1.75in • Height: 1.75in • Depth: 10.1in • Weight: 0.81oz
Availability: In Stock
Current Stock: Out of stock
The Daniel Defense Premium DD Bolt Carrier Group 5.56 is a complete, mil-spec bolt carrier assembly engineered for AR-15 rifles and carbines that demand reliability under hard use. Whether you're upgrading an existing upper or building from scratch, this drop-in assembly includes everything you need—bolt, carrier, and firing pin—ready to function out of the box. Daniel Defense's attention to manufacturing detail shows in every component, from the shot-peened bolt that resists wear to the properly staked gas key that eliminates gas leakage and short-stroking.
Built for shooters who run their guns hard, the DD bolt carrier group features an extractor booster designed to cycle reliably through rapid fire and maintain consistent function across a wide range of ammunition. The black phosphate finish provides corrosion resistance and a professional appearance. Each assembly is magnetic particle inspection tested before it ships—a quality-control step that catches internal flaws invisible to the naked eye and significantly reduces the risk of premature failure in the field or at the range.
The M16-style carrier design includes a full-length shroud, which means this assembly is compatible with full-auto sear equipped rifles used by law enforcement and military operators. For civilian AR-15 shooters, that engineering translates to a carrier built to military specifications and combat-proven reliability standards. If you're serious about your rifle's performance and longevity, the Daniel Defense bolt carrier group is worth the investment.
| Caliber | 5.56 NATO |
| Type | Mil-spec bolt carrier group |
| Components Included | Bolt, bolt carrier, firing pin |
| Finish | Black phosphate |
| Carrier Style | M16-style with full-length shroud |
| Quality Control | Magnetic particle inspection tested |
Yes. The Daniel Defense Premium DD Bolt Carrier Group 5.56 is a complete mil-spec assembly designed to drop into standard AR-15 and AR-15 carbine uppers. As long as your upper is chambered in 5.56 NATO, this carrier will function.
Shot-peening is a process that bombards the bolt surface with small steel pellets, creating a hardened outer layer. This increases surface strength and resistance to wear and fatigue, extending the bolt's service life under repeated firing cycles.
This assembly is built to mil-spec standards and the M16-style carrier includes a full-length shroud compatible with full-auto sear equipped rifles used by military and law enforcement. For civilian shooters with semi-auto AR-15s, it provides the same quality and reliability engineered to those standards.
Magnetic particle inspection is a quality-control process that uses magnetic fields to detect internal flaws, cracks, and defects invisible to visual inspection. Each Daniel Defense carrier group is tested this way before shipment to ensure it's free from imperfections that could cause premature failure.
SKU: 126513992 • Width: 1.75in • Height: 1.75in • Depth: 10.1in • Weight: 0.81oz