Our New Vented Stone Krusher Flat Spiked extension for the standard AK47 threaded in M14x1 LH offers a new design and length. For door breach, defense and barrel counterbalance. This machined aluminum vented extension is finished in flat black anodize, 7 inches in length and weighs about 10 ounces. May Be used to reach compliant barrel length if pinned and welded. Be certain to check your barrel length.
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