The Magpul MOE SL-S (Storage) Carbine Stock is a direct-replacement collapsible buttstock designed for AR-15/M4 carbines with Mil-Spec receiver extensions. It pairs a slim, low-profile footprint with integrated, O-ring sealed waterproof storage tubes for batteries or small items while preserving an ergonomic cheek weld and compact handling. The stock includes dual-side release latches, an ambidextrous QD sling swivel socket, and a rolled toe with an angled rubber butt-pad optimized for use with body armor.
Key Specifications
- The length of pull adjusts between 10.90″-14.20″ for versatile mounting positions.
- The construction uses Reinforced Polymer for a durable, lightweight platform.
- The unit offers 6 adjustment positions to suit multiple users and setups.
- The buffer tube is not included and requires a Mil-Spec receiver extension for proper fit.
- Designed for AR-15/M16/M4 style firearms as a direct-replacement carbine stock.
- The finish is Black to match common service and aftermarket builds.
- Includes Integrated Waterproof Battery Storage with O-ring sealing for small-item protection.
- The adjustment method is Collapsible for quick length changes and compact transport.
- The model designation is MOE SL-S (Storage).
- Intended fit is AR-15 with Mil-Spec receiver extension compatibility.
Made in the USA, the MOE SL-S combines practical storage, low-profile ergonomics, and Magpul’s proven fitment into a compact carbine stock. Its slim profile and O-ring sealed storage tubes make it a sensible upgrade for shooters who need organized carry of small items without added bulk, while the QD sling socket and improved cheek weld support a range of operational and recreational uses. Reliable, straightforward, and thoughtfully detailed, the MOE SL-S is built to integrate cleanly with Mil-Spec carbine platforms.





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