Magpul Industries

Magpul MOE SL-S Mil-Spec Stock - Black

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MSRP: $89.95
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Magpul MOE SL-S Mil-Spec Stock – Black

The Magpul MOE SL-S (Storage) Stock represents a perfect fusion of comfort, functionality, and style 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, ensuring a secure fit on mil-spec receiver extensions with 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.



  • Contains two integrated water-resistant battery storage tubes. Each tube can store up to two AA or CR123A batteries.
  • Tubes are accessible on the right or left from the rear in any stock position.
  • The compartments are easy to use, waterproof to 10 meters, and sealed with o-ring rubber plugs.


  • A new more comfortable sloping cheek weld boasts a slimmer profile.


  • The rubber pad surface is textured for anti-slip and increased impact protection


  • Long service life and positive locking is achieved with the premium chrome-silicon lock spring.
  • Dual-side release latch ensures easy and smooth user adjustment.
  • Internal anti-rattle leaf spring minimizes wobble on receiver extension tube.


  • Platform AR10, AR15, M4, M16, M110, SR25
  • Compatibility Mil-Spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, LMT, Ruger, S&W, SIG, and others
  • 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 based on standard-length (flat-back) M4 Carbine receiver extension and may vary depending on 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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