FEATURES:
-Roller cam pin w/ modified gas key for direct impingement-type rifles
Bcm bolt upgrade/rebuild kit sopmod ar-15 Kit Includes:-Extractor made to USGI specs (shot peened)-Extractor …
Ab arms cam pin 5.56mm ar-15 nickel boron FEATURES
Cmmg parts kit for ar-15 upper pins and springs FEATURES-Allparts meet or exceed Mil-Spec-Upper pins & sp…
Cmmg parts kit for ar-15 lower pins and springs FEATURES-Allparts meet or exceed Mil-Spec-Lower pins & sp…
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