Magpul SGA Stock for Mossberg 500/590/590A1 12 Gauge Shotguns

The Magpul SGA Stock for Mossberg 500/590/590A1 12 Gauge Shotguns is a drop-in replacement buttstock designed to give compatible Mossberg shotguns a more adaptable fit, improved handling ergonomics, and stronger sling-mounting flexibility. It is also compatible with the Maverick 88 platform.

Its spacer-adjustable length of pull, textured angled grip area, anti-slip recoil pad, pre-fitted zero-rise comb, and optional cheek-riser capability allow the stock to be configured around the shooter and their intended setup. Magpul manufactures and engineers the SGA Stock in the USA.

Ideal For

• Mossberg 500, 590, and 590A1 12-gauge shotgun upgrades
• Maverick 88 owners seeking a more adjustable stock setup
• Shooters requiring a tailored length of pull
• Shotguns configured with raised sights or optics
• Builds needing improved sling-mounting options and enhanced grip control

Key Features

• Drop-in replacement stock for Mossberg 500, 590, 590A1, and Maverick 88 shotguns
• Spacer-adjustable length of pull from approximately 12.3" to 14.3"
• Textured, angled pistol-grip area with side panels for improved handling control
• Anti-slip recoil pad with a bevel for smoother shouldering
• Pre-fitted zero-rise comb
• Compatible with optional 0.25", 0.50", and 0.75" Magpul cheek risers
• Integral left- and right-side 1.25" sling loops
• Rear QD sling swivel compatibility when used with an optional Magpul Sling Mount Kit
• Made and engineered in the USA

Technical Specifications

What’s Included

• Magpul SGA Stock for Mossberg 500/590/590A1
• Pre-fitted zero-rise comb
• Length-of-pull stock spacers
• Anti-slip recoil pad