![]() The perfect upgrade to any 7.62 AR build. 125' Bolt Face Recess (most common) This extractor is also the same one used for the 6.5 Grendel. Designed not only to grab the round at the precise moment needed, but a deep enough face to pull a swollen steel cased 7.62 round from the barrel without slipping and extracting each time. This 762x39 AR15 extractor is a perfect backup or replacement to keep on hand to quickly fix a broken extractor, which happens more commonly with AR15 rifles chambered in 'AR47'. The result is the strongest most durable 7.62×39 extractor on the market today. Comparing the KAK extractor to the 5.56 showed a large difference in quality. The extractor on the BCG sheared off on the first steel case 7.62 round it ever fired. KAK AUTO 7.62X39 BCG (BOLT CARRIER GROUP) 145.00. With decades of experience manufacturing flyaway parts and over 40,000lbs of titanium cut each year, Jacob Grey has taken that knowledge and applied it to the common problem with the AR-15 extractor. K-SPEC AR15 Bolt- 7.62x39, Dual Ejector 99.95. A common problem has always been the round’s ability to crack and eventually break the steel extractor. With an extensive knowledge of specialized parts in the aerospace industry, Jacob Grey has used that experience to manufacture an extractor that will put up with the enormous pressure and force of the 7.62×39 round.Īs AR enthusiasts are only too aware, the AK round was never meant for the AR-15. Key components of an AR15 bolt carrier group include the carrier, bolt assembly (with extractor), gas key, cam pin, firing pin retainer pin, and the firing pin. Precision Defense 7.62x39 Complete M16 Bolt Carrier Group - Nitride. 125 bolt face depth which was in use on the 5.56/223 AR-15’s even though the rim thickness was different. Faxon Firearms 9mm AR-15 Bolt Carrier Group GLOCK/Colt Style - Nitride. ![]() Jacob Grey Firearms has finally done what others have only dreamed of doing. 136 bolt face depth in their 7.62x39 AR-15’s. AR-15 Bolt Assemblies for the 7.62x39, 5.56, 6.5 Grendel, Replacement Extractors and Enhanced Firing PIns.
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