The Magpul ACS-L (Adaptable Carbine Stock – Light) is a drop-in replacement buttstock for AR15/M4 carbines using mil-spec sized receiver extension tubes. A streamlined version of the ACS, the ACS-L utilizes the same center storage compartment and cheek weld but removes the battery tubes for a slimmer, lighter weight package. Made in U.S.A. FEATURESMounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, S&W, LMT, and others (please see the note below)Sloping cheek weld provides a wide contact surface for user comfortStorage compartment in tail of stock with positive latching access door on right hand sideSupplemental friction lock minimizes accuracy robbing wobble*Shielded release latch prevents snagging and accidental operationPremium chrome-silicon lock spring provides positive locking and long service lifeReplaceable 0.30″ Rubber Butt-Pad offers an anti-slip surface and increases impact protectionCompatible with Magpul ASAP®, ASAP® QD, and other receiver-mount sling attachmentsSling MountsMid – Included reversible Sling Mount Kit – TYPE 3 fits up to 1.5″ push-button swivels (swivel not included)Rear/Bottom – 1.00″ sling loop NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): mil-spec and commercial-spec. If you have a commercial-spec extension on your rifle, make sure to order the Commercial-Spec ACS-L.

SPECIFICATIONS**ACS-L Carbine Stock, Mil-SpecWeight: 12.5 oz.Weight, w/receiver extension: 16.5 oz.Length, max: 8.0 in.Width, max: 2.2 in.LOP Adjustment Range: 3.3 in.LOP, M4 Collapsed: ~11.8 in.LOP, M4 Extended: ~15.1 in.* Friction lock performance may vary depending on the host receiver extension’s dimensional tolerances.** Specifications based on standard-length (flat-back) M4 Carbine Receiver Extension and may vary depending on tube manufacturer