The B5 Systems Collapsible Precision Stock (CPS), Long. Building upon the venerable cheek profile of the B5 Sopmod and Bravo stocks, the Precision stock incorporates an adjustable cheekpiece and buttpad while fitting Milspec carbine receiver extensions. Features internal tensioners, ambidextruous fixed and quick disconnect sling mounts, gross length of pull adjustment via pull down with lockout, underside M-LOK accessory mount, and color matched hardware. The CPS Long is optimized for side charging and rifles equipped with the LAW side folding adapter. Proudly made in the USA. Features : Adjustable cheekweld and buttpad with precision dials. Mounting slots for Accessory Cheekpiece. 12 internal tensioners. Color matched machined hardware. Fixed sling mounts. Steel anti-rotational QD mounts. No slip cushioned buttpad. Gross adjustment pull down lever with lockout feature. Underside M-LOK accessory attachment.