Rubber City Armory Bolt Carrier Group-5.56 w/OCKS

$189.00

  • Blacknitride+ Enhanced Heat Treat Finish,
  • Precision Machined Bolt
  • RCA Stainless Steel Blacknitride+ Treated Firing Pin, Cam Pin and Retaining Pin.
  • Carrier material 8620
  • Bolt material 9310
  • Tool steel extractor and cam pin
  • OCKS Upgrade!
  • *LIFETIME WARRANTY*

 

The Optimized Carrier Key Screws (OCKS) are designed to provide significant advantages over the standard cap screw used in carrier keys.Proper staking is crucial to reliable operation.  An improperly staked carrier key can become loose under firing, and can cause a debiliating malfunction that can render a firearm inoperable in the field.  The OKCS has sharp, deep, and effective knurling with 12 deeper splines.  These OCKS allow for metal to flow into the space when staking, creating more metal on metal contact.

4 in stock

Additional information

Weight .5 lbs
Dimensions 6 × 2 × 2 in

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