Standard Super Gas Block – The bore of the SGB is machined to closely fit around .750” diameter mounting bosses found on most M4 Carbines and AR-15 rifles.
Installation Instructions can be found here.
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The next-generation PMAG GEN M3 is a 5.56×45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Along with expanded feature set and compatibility, the GEN M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous military performance specifications.
AR-15 Carbine Buffer and Spring
AR-10 Carbine Buffer and Spring.
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