Magpul ACS-L Carbine Mil-Spec Stock Black

Original price was: $99.95.Current price is: $80.70.

Upgrade your AR15/M4 carbine with the Magpul ACS-L Mil-Spec Stock Black, a streamlined version of the ACS series. Made in the USA, this drop-in replacement buttstock ensures a seamless fit with Mil-Spec sized receiver extension tubes. Featuring a sloping cheek weld and a unique shape to reduce snags, it offers enhanced stability with its supplemental friction lock system.

Availability: In stock SKU: MAG378BLK

Magpul ACS-L carbine Mil-Spec Stock

The Magpul ACS-L Mil-Spec Stock Black is the perfect addition to your AR15/M4 carbine! This drop-in replacement buttstock utilizes Mil-Spec sized receiver extension tubes for a seamless fit. A streamlined version of the ACS, the ACS-L removes the battery tubes for a slimmer, lighter weight package. Made in the USA, this stock is perfect for those who want a high-quality product that will last. With its cheek weld and center storage compartment, the Magpul ACS-L is a must-have for any serious shooter.

Magpul ACS-L Stock Black Features:

  • Mounts securely on AR-15/M-16 carbine Mil-Spec tubes
  • Supplemental friction lock minimizes stock wobble
  • Sloping cheek weld provides a consistent resting position
  • Unique shape reduces snags and shields the release latch
  • Reversible QD sling mount accepts 1.5” push-button swivels
  • Made in the USA
  • SKU – MAG378BLK

WARNING: This Product can expose you to chemicals which is known to the state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

The ACS-L (Adaptable Carbine/Storage-Light) retains the QD sling sockets on both sides and butt storage compartment of the standard ACS while reducing overall weight. The L variant adds a free-floating cheek piece that can be removed or adjusted independently from the main stock body, providing a more customizable cheek weld height than the fixed cheek piece on the standard ACS. The ACS-L is designed for mil-spec diameter carbine buffer tubes, adjusts to six length-of-pull positions, and is a direct drop-in replacement for any existing mil-spec carbine stock on a mil-spec AR-15 lower receiver without modification.

The ACS-L stock provides a lighter-weight alternative to the standard ACS while retaining the core cheek weld geometry and sling mounting options of the ACS family. The ACS-L mounts on a standard mil-spec diameter carbine buffer tube and locks into six length-of-pull positions using the standard AR-15 stock release lever. The rubber buttpad provides a non-slip shoulder interface and mild recoil absorption. Sling attachment points are built into both sides of the stock for single-point and two-point sling configurations. The ACS-L is a direct drop-in replacement for any mil-spec carbine stock without modification to the lower receiver or buffer tube.

Weight 2 lbs
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Frequently Asked Questions

What is the ACS-L stock?

The ACS-L (Adaptable Carbine/Storage-Light) is a lighter-profile ACS variant with QD sling sockets on both sides, a butt storage compartment, and a free-floating adjustable cheek piece that provides a more customizable cheek weld than the fixed cheek piece on the standard ACS.

What buffer tube does the ACS-L fit?

The ACS-L is designed for mil-spec diameter carbine buffer tubes. Verify your buffer tube is mil-spec diameter before ordering, as mil-spec and commercial-spec buffer tubes are not interchangeable.

Is this a drop-in replacement?

Yes — the ACS-L slides onto any mil-spec carbine buffer tube as a direct drop-in replacement for any existing mil-spec carbine stock without modification to the lower receiver.