SGA® Stock – Mossberg® 500/590/590A1

Product Code: MAG490-***

***Colours: Black, Flat Dark Earth, Grey, Orange

Weight: 1.5 lbs (w/two Spacers installed)

LOP Adjustment Range: ~12.3-14.3 in.

Width of Butt, max: 1.5 in.

Butt-Pad Dimensions: 1.5x5.0 in.


The SGA Stock is an ambidextrous, user-configurable buttstock designed to add much-needed adjustability to the tried and true Mossberg 500/590/590A1 12ga series of shotguns. Featuring a spacer system for the length of pull adjustment, improved grip ergonomics, recoil-reducing butt-pad, 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.