The SGA Stock is an ambidextrous, user-configurable buttstock designed to add much-needed adjustability to the tried-and-true Mossberg 500 / 590 / 590A1 12-gauge series of shotguns. Its features include a spacer system for length of pull adjustment, improved grip ergonomics, a recoil-reducing butt-pad, and optional cheek risers for use with optics/raised sights and other accessories.The Mossberg SGA brings Magpul design and engineering to another classic American firearm. Available in Black, Flat Dark Earth, Stealth Gray and Orange to adapt to the mission at hand.Specifications:Platform: ShotgunCompatibility: MossbergA(R) 500/590/590A1 12-gaugeButt-Pad Dimensions: 1.5 x 5.0 in.LOP Adjustment Range: ~12.3-14.3 in.Weight: 1.5 lbs. (with two Spacers installed)Width of Butt, max: 1.5 in.