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BROWNELLS AR-15 Rifle Length Buffer Tube Kit. The kit is machined from Mil-Spec 7075 aluminum and finished with a matte black hardcoat anodized coating. It includes a buffer and recoil spring designed to fit standard AR-15 and M16 lower receivers and rifle length buttstocks. Specifications: 9 5/8 in length, 1.110 in diameter. Material: 7075-T6 aluminum. Finish: Matte Black Hardcoat Anodized. Fits AR-15 universal configuration.
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$79.99
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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.
12 min read
Guide
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.
5 min read