A drop-in replacement buttstock for AR15/M4 mil-spec carbine buffer tubes, the SL-K is designed for compact PDW style weapons or users desiring a small and light stock. Features a short and slim profile, a smaller rubber butt-pad with rolled toe for easy shouldering and sure grip, and a 1.25" footman's loop with the ability to accept an optional M-LOK QD Sling Mount for push-button style QD sling swivels. A new, unique, ambidextrous release latch minimizes rattle on the receiver extension without requiring additional locks, levers, or springs*. Made in U.S.A. Features: Mounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, LMT, Ruger, S&W, SIG, and others Sloping cheek weld combines a slim profile with user comfort Dual-side release latch provides easy adjustment while remaining anti-snag Premium chrome-silicon lock spring provides positive locking and long service life Compact rubber butt-pad offers an anti-slip surface and increases impact protection Rollover on the toe allows for easier shoulder transitions and better fit when using body armor Compatible with Magpul ASAP, ASAP QD, and other receiver-mount sling attachments 1.25" Footman's Loop for sling mounting, and also accepts the M-LOK QD Sling Mount for push-button sling attachment (sold separately) Specifications: MOE SL-K Carbine Stock, Mil-Spec Weight: 7.9 oz. Weight, w/receiver extension: 11.9 oz. Length, max: 6.5 in. Height, max: 4.2 in. LOP Adjustment Range: 3.3 in. LOP, M4 Collapsed: ~10.5 in. LOP, M4 Extended: ~13.8 in.