Magpul SGA Stock for Mossberg 500/590/590A1 Shotguns
Give your hard-use Mossberg shotgun a professional upgrade.
Your Mossberg was built to be reliable, and the SGA Stock adds ergonomics, adjustability, and better sling mounting options to complete the package. Whether it’s for professional or personal use, our SGA is optimized for comfort and maneuverability, and the LOP and comb height adjustments mean a custom fit for you and the way you want to shoot.
Made in the USA.
Features
- A true drop-in replacement stock for easy, fast installation using simple tools for Mossberg 500/590/590A1 and Maverick 88 shotguns
- Textured, angled pistol grip area with side panels for positive traction and control in all conditions
- Adjustable LOP from 12.3″-14.3″ with included stock spacers
- The anti-slip recoil pad absorbs heavy impacts, ensures a positive grip, and includes a slight bevel for fast shouldering
- Comes with pre-fitted zero-rise comb and accepts optional 0.25″, 0.50″, and 0.75″ Cheek Risers (sold separately) for a custom cheek weld
- Sling variety with left- and right-side footman’s loops and QD sling swivel compatibility in the rear with optional Sling Mount Kits
Available in Black, Flat Dark Earth and Gray.





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