Luth-ar BAP-308 Buffer Tube Assembly 308/7.62mm Aluminum Rifle
Kit includes: (1) .308/7.62 Buttstock Extension Tube, Material: 6061-T6 Aluminum, Finish: Hardcoat Anodized Black, (1) Standard .308/7.62 Buttstock Buffer Spring, (1) Standard Buffer Body Assembly 5.3 oz