Doublestar Corp. Bolt Carrier Rebuild Kit – AR-15/M16

This Doublestar Corp. bolt carrier rebuild kit provides all the essential components needed to restore a worn or damaged AR-15/M16 bolt carrier group to proper function. Includes gas key, cam pin, firing pin, firing pin retaining pin, and gas rings—the parts most subject to wear during normal firing cycles. Ideal for routine maintenance, parts replacement after high round counts, or building a backup BCG from a salvaged carrier.

Manufactured to mil-spec dimensions with quality materials suitable for both recreational and duty use. All components are drop-in replacements requiring only basic armorer knowledge and standard AR tools. Gas key comes pre-staked or ready for staking depending on carrier condition. This kit does not include the bolt carrier body itself.

• Part Type: Bolt Carrier Group Rebuild Kit
• Compatible Firearms: AR-15, M16, M4
• Includes: Gas Key, Cam Pin, Firing Pin, Firing Pin Retaining Pin, Gas Rings
• Material: Steel Components
• Installation: Drop-In (Basic Armorer Skills Required)