Brownells AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY

Brownells AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY

• Six position AR-15/M16/M4 receiver extension assembly
• Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine buffer spring
• Buffer tube is Mil-Spec diameter and 6061 aluminum
• Carbine buffer weight is 3 oz
• Buffer spring is 17-7 stainless steel
• Hard Coat Anodized Finish
• Color: Black

Description from Brownells: Precision made from 6061 aluminum, this buffer tube is the correct diameter of 1.148" to accept any MIL-SPEC carbine buttstock on the market. Hardcoat anodized to ensure a durable and long lasting finish in the toughest conditions. All buffer tube assembly parts conveniently packaged together for your next build.