.458 SOCOM AR-15 Bolt Carrier Groups
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Faxon Firearms 458 Socom/450 Bushmaster Bolt Carrier Group – Black Nitride
Nitrided Bolt-Carrier Group Designed for 458 Socom & 450 Bushmaster Rifles This Faxon Firearms Nitride Bolt Carrier Group is a high-quality upgrade designed to fit both the 458 Socom and... -
Bear Creek Arsenal .458 SOCOM / .450 Bushmaster AR-15 Bolt Carrier Group – Nitride
Bear Creek Arsenal .458 SOCOM / .450 Bushmaster AR-15 Bolt Carrier Group - Nitride For your next big-bore AR15 build, the Bear Creek Arsenal .458 SOCOM / .450 Bushmaster Bolt...Only$59.99
The hard-hitting .458 SOCOM requires a conversion BCG, as well as an upper that can eject larger brass cases.
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