The AR Receiver Extension Kit is constructed from aircraft grade aluminum with rolled threading. The buffer tube has been hard coat anodized for maximum corrosion and wear resistance. A standard buffer spring and 3oz carbine buffer are included as well as a castle nut and lower receiver end plate. This assembly kit will fit on all Mil-Spec AR-15 lower receivers. Mil-Spec Carbine Buffer Tube / Receiver Extension 6 Position Aircraft Grade Aluminum Carbine Buffer Spring Castle Nut/Receiver Nut Mil-Spec Receiver End Plate Carbine Recoil Buffer

The AR Receiver Extension Kit is constructed from aircraft grade aluminum with rolled threading. The buffer tube has been hard coat anodized for maximum corrosion and wear resistance. A standard buffer spring and 3oz carbine buffer are included as well as a castle nut and lower receiver end plate. This assembly kit will fit on all Mil-Spec AR-15 lower receivers. Mil-Spec Carbine Buffer Tube / Receiver Extension 6 Position Aircraft Grade Aluminum Carbine Buffer Spring Castle Nut/Receiver Nut Mil-Spec Receiver End Plate Carbine Recoil Buffer Additional information Weight 0.6 oz

The AR 15 Carbine Buffer Tube Kit is an impeccable solution for completing your lower receiver with both efficiency and economy in mind! Crafted with lightweight and resilient 6061-T6 aluminum, the 6-position receiver extension is designed to MIL-SPEC dimensions, making it compatible with a diverse range of aftermarket stocks. This kit is not just about compatibility and budget-friendliness; it's about reliable performance and durability. It features a coated carbine spring and a 3oz buffer to assure smooth and dependable operation.