Mossberg 500/590/590A1 – Magpul SGA Stock
PLEASE DOUBLE CHECK DETAILS AND FITMENT BEFORE PURCHASE.
The Magpul SGA replaces the factory shoulder stock on compatible Mossberg pump shotguns with a spacer-adjustable length of pull and ambidextrous, grip-focused geometry.
Available Options
- Black
- Flat Dark Earth
- Orange
Fitment
- Fits Mossberg 500, 590, and 590A1 12-gauge receivers.
Does NOT Fit
- Not for Mossberg 500/590 20-gauge or .410-bore receivers.
- Not verified for 590M magazine-fed models.
What It Does
- Spacer system adjusts length of pull from approximately 12.5 to 14.5 inches.
- Ambidextrous design supports optional cheek risers and sling mounts.
- Reinforced polymer construction with rubber butt pad.
Specs
- Platform: Mossberg 500/590/590A1 12 gauge
- Material: Reinforced polymer
- Adjustment: Spacer-based length of pull
- Colors: Black, Flat Dark Earth, Orange
What’s Included
- SGA stock
- Recoil pad
- Spacer set
- Receiver mounting hardware
Verify Before You Buy
- Confirm receiver model and gauge before ordering.
- Select cheek-riser height only after confirming the installed sighting system.
Disclaimers
⚠ Trademark & Compatibility Disclaimer
IronKells Armory LLC is not affiliated with, endorsed by, or sponsored by any manufacturer mentioned. All trademarks are the property of their respective owners and are used only to identify compatibility or fitment.
⚠ Install & Compatibility Disclaimer
Installation should be performed by a qualified armorer or gunsmith. Improper installation, modification, or use may affect firearm safety and reliability. Buyer is responsible for verifying compatibility, performing proper function testing, and ensuring safe operation.