SureFire Optimized Bolt Carrier 5.56 SF-OBC-556 UPC 084871327367 | SUREFIRE OPTIMIZED BOLT CARRIER 5.56 # SF-OBC-556 AR-15 M16 Bolt Carrier Group Full Auto Profile 5.56 NATO Enhanced Cam Pin Optimized Extractor Gas Key Staked MPI/HP Tested High Pressure Reliability Upgrade

Surefire optimized bolt carrier 5.56 # sf-obc-556 cycle champion, SUREFIRE OPTIMIZED BOLT CARRIER 5.56 # SF-OBC-556, UPC 084871327367. OBC 556 – surefire smooth shooter.

SureFire Optimized BCG Features

• Full Auto Carrier: Mass mastery.
• Optimized Cam Pin: Friction fighter.
• Enhanced Extractor: Grip god.
• Staked Gas Key: Leak lock.
• MP/HP/MPI Tested: Battle proven.

Optimized Cycle King

Surefire supremacy!

Specs

OBC reliability revolution!

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