This Radical Firearms carbine buffer tube is machined from high-strength durable aluminum and features a smooth hard coat anodized black finish to withstand heavy use and harsh weather. This AR-15 buffer tube is a great option for building your first rifle or even your tenth. The threads have been properly cut and rolled to provide extra strength when installed onto your lower receiver. This Mil-Spec receiver extension is compatible with a large variety of aftermarket and Mil-Spec carbine stocks, so you can choose the perfect one for you. This receiver extension offers up to six positions of adjustment that allow you to customize the length of pull of your rifle. If you are building an AR-15, consider building one with a Radical Firearms carbine buffer tube.
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