Description
This M4 style Kit is the perfect way to finish out your lower receiver without breaking the budget! The lightweight and durable 6061-T6 aluminum 6 position receiver extension is proper mil-spec dimensions to accept a wide variety of after market stocks. A coated carbine spring and 3oz buffer help ensure smooth and reliable function. This collapsible buttstock kit is an excellent choice to finish building your Mil-Spec AR-15 carbine.
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