VKTR Bolt Carrier Group Hard Chrome Carrier One-piece bolt carrier precision machined with a patented cam path;Bolt unlocks at 22.5 degrees for improved timing and reduced chamber pressure;Chrome finish for cleanliness and durability;Patented cam pin with directional arrow for reliability;Includes firing pin, precision cam pin, retaining pin, bolt, and extractor;Designed for AR-pattern weapons, enhancing shot consistency and controltable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7600 Product Group Code: 7600O Product Sub Group 1: 7600O6 Inactive: No