Magpul MOE SL-S Mil-Spec Stock – FDE
The Magpul MOE SL-S (Storage) Stock is a perfect fusion of comfort, functionality, and style, serving as a direct replacement buttstock for AR15/M4 carbines. This flagship model stands out as the slimmest storage tube stock on the market, offering a sleek profile, dual-side release latches, and waterproof battery tubes. The storage-capable stock delivers an enhanced cheek weld. It features a genuine O-ring-sealed 10m waterproof storage area, all fitted into a minimalist design to encourage a more upright head position and reduce bulk. Its rolled toe and angled rubber butt pad are specifically designed for use with body armor, further enhancing user comfort. It also includes an ambidextrous QD sling swivel socket for maximum flexibility. The stock features a unique leaf-spring tension system that ensures a secure fit on mil-spec receiver extensions and offers less friction than the original SL. Proudly made in the U.S.A., the MOE SL-S Stock is the ultimate in intuitive, comfortable, and efficient storage stocks.
Features
- Mounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, LMT, Ruger, S&W, SIG, and others (please see the note below)
- Two water-resistant battery storage tubes are located on the left and right sides of the stock
- Each tube will store up to two (2) CR123A lithium or AA batteries
- Tubes are accessible from the rear in any stock position via hand-removable, o-ringed rubber plugs that are waterproof to 10 meters
- 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
- Internal anti-rattle leaf spring minimizes wobble on receiver extension tube
- Rubber butt-pad offers an anti-slip surface and increases impact protection
- Rollover on the toe allows for easier shoulder transitions and a better fit when using body armor
- Compatible with Magpul ASAP®, ASAP® QD, and other receiver-mount sling attachments
- Sling Mounts
- Rear – Integral push-button QD swivel sling mount accommodates up to 1.5″ swivels (ambidextrous)
- Rear/Bottom – 1.25″ sling loops
Specifications
- Platform AR10, AR15, M4, M16, M110, SR25
- LOP M4 Collapsed: ~10.9 in.
- LOP M4 Extended: ~14.2 in.
- LOP Adjustment Range: 3.3 in.
- Length: max 7.3 in.
- Weight: 12.8 oz.
- Weight: w/ receiver extension 16.8 oz.
- Width: max 2.4 in.
NOTE: Specifications are based on a standard-length (flat-back) M4 Carbine receiver extension and may vary depending on the tube manufacturer.
NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): Mil-Spec and Commercial-Spec. The MOE SL-S will only fit with the common Mil-Spec tube.
Made in the USA.









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