This stock uses ACE's original soft foam overtube for the ultimate cheek weld. A billet machined gusset reinforces the receiver extension tube at its weakest point directly behind the receiver. Precision machined aluminum butt clamps directly to the RET and provides a machined in sling mount. Also includes a .5" rubber recoil pad. Does not include Buffer, or Spring.Includes: Buffer Tube, Sling Swivel, Buttstock with .5" Recoil Pad.FeaturesComfortable soft foam for the ultimate cheek weldSolid constructionMachined in sling mountRifle length buffer tube