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EPC Buffer Kit includes the EPC Buffer (7.7 oz), the 308 Carbine Buffer Spring, and the Enhanced Carbine Buffer Tube. Specifically optimized for Aero Precision EPC platforms. Not intended for AR-15 or M5 platforms. Mil-Spec receiver extension compatible. Finish: Anodized Black. Weight reflects the buffer component listed at 7.7 oz.
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A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
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A neutral overview of AR-15 buffer systems, covering carbine vs. rifle receiver extensions, buffer weights, springs, and how these parts affect cycling and recoil.
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