BlackHawk's second-gen Knoxx SpecOps Stock (with forend) is built with a lightweight polymer and alloy construction; its dual recoil-compensation systems reduce felt recoil by as much as 85 percent and cuts muzzle rise. The Knoxx SpecOps Stock Gen II also features a pistol grip with customizable rubber inserts, an integrated ambidextrous single-point sling plate and quick-detach sling swivel. The stock provides seven positions. It retails for $134.99. SHOT Booths #11971 and #12271.
WMD Guns' SlingStock is a patented buttstock with an integrated, retractable sling.