We've covered Magpul's MOE SL line previously, and the adjustable buttstock completes the set of furniture for the AR-15-platform rifle.
Available as an upgrade for stock, mil-spec AR-15 furniture, Magpul's MOE line have become standard equipment on many manufacturers' rifles, and for good reason. The company's wares are solidly built at an attractive price point and allow for a good deal of customization without excessive cost.
The SL line adds in greater functionality and ergonomics, with slimmer components able to accept more customization. The MOE SL adjustable buttstock has a QD sling mount as well as standard sling attachment points in addition to a sloped cheek piece and angled butt pad for better fit.
MSRP: $59.95. Currently available only in black.