The storage-capable version of the flagship magpul moe sl carbine stock the moe sl-s (storage) stock is a direct replacement buttstock for ar15/m4 carbines.The sleek profile dual-side release latches and waterproof battery tubes make it the slimmest storage tube stock available.The sl-s provides an enhanced cheek weld and true o-ring sealed 10m waterproof storage area desired by many but fits it into the narrowest package possible to allow a more upright head position and minimize bulk.A rolled toe and angled rubber butt-pad are optimized for use with body armor and an ambidextrous qd sling swivel socket is included.A unique leaf-spring tension system provides a solid fit on mil-spec receiver extensions with slightly less friction than the original sl.The moe sl-s is the most intuitive comfortable and efficient storage stock available.Firearm Type: AR-15/M16/M4Firearm Model: AR-15Material: Reinforced PolymerFinish: Flat Dark EarthFeatures: Integrated Waterproof Battery StorageAdjustment Type: CollapsiblePositions: 6Length Of Pull: 10.90"-14.20"Tube Included: No