Armaspec Carbine Buffer Tube Kit Features The Armaspec Carbine Buffer Tube Kit is machined to mil-spec dimensions from 7075-T6 aluminum giving builders a buffer tube that fits standard carbine stocks and springs without the fitment issues that come with off-spec hardware. The 6 position design allows length of pull adjustment to match the shooter s build whether configured for home defense range use or a lightweight carbine setup. Because the tube holds to mil-spec tolerances it works seamlessly with the vast range of AR-15 stocks already on the market. The Black anodized finish provides corrosion resistance and a durable low-maintenance surface for everyday use. Included in the kit are the end plate and castle nut needed to properly secure the buffer tube to the lower receiver saving the builder a separate parts search. Armaspec founded in 2013 focuses on producing accessories for AR Glock AK and 1911 platforms that deliver a real tactical advantage at a fair price all manufactured in the United States. Their product lineup spans magwell grips charging handles parts kits selectors and stocks reflecting a broad understanding of what AR builders actually need. For a straightforward mil-spec buffer tube upgrade or new build component the Armaspec Carbine Buffer Tube Kit is available for sale at GrabAGun. Armaspec Carbine Buffer Tube Kit Specifications Manufacturer: Armaspec Model: Carbine Buffer Tube Kit Type: Buffer Tube Kit Compatible Hosts: AR-15 Color: Black Finish: Anodized Material: 7075-T6 Aluminum Positions: 6 Position Includes: End Plate Castle Nut Available At: GrabAGun