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SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Black
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 FDE
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambidextrous for 12GA Mossberg 500/590 Orange
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
SGA Buttstock Ambi for 12GA Mossberg 500/590 Stealth Gray
None None
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MAGPUL - SGA® AMBIDEXTROUS BUTTSTOCK FOR MOSSBERG® 500/590

31 Reviews
Color
Brownells #
100011605, 100011606, 100011607, 100015243
MFR #
MAG490-BLK, MAG490-FDE, MAG490-ORG, MAG490-GRY
UPC
873750008523, 873750008530, 873750008547, 873750012001
$118.70
Coupon Code
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International purchase information

What is the MAGPUL - SGA® AMBIDEXTROUS BUTTSTOCK FOR MOSSBERG® 500/590?

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.


Made in the USA.


FEATURES

  • Spacer-adjustable lop in 1/2" increments from 12.5" to 14.5"
  • Recoil-reducing butt-pad
  • Integral right/left 1.25" sling loops



SPECS

  • Platform: Shotgun
  • Compatibility: Mossberg® 500/590/590A1 12-gauge
  • Butt-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.
Specifications

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Restriction

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SGA® AMBIDEXTROUS BUTTSTOCK FOR MOSSBERG® 500/590 REVIEWS

4.8
31 Reviews
5 Stars
94%
4 Stars
3%
3 Stars
0%
2 Stars
0%
1 Stars
3%
Reviews Summary
Customers rave about the SGA® Ambidextrous Buttstock, praising its comfort, adjustability, and solid construction. Many found installation straightforward and appreciated the ergonomics, enhancing their shooting experience. However, some raised concerns about minor installation challenges and a lack of certain features, like folding capabilities. Overall, it's a highly regarded upgrade for shotguns.
What Reviewers Are Saying
Ease of Installation
70%
Many reviews highlight how easy the buttstock is to install, with some users reporting the installation takes only a few minutes. While a couple referenced minor issues with existing parts, the majority found it straightforward and user-friendly.
Comfort and Ergonomics
80%
Comfort is a recurring theme, with numerous reviewers noting the stock's well-engineered design enhances shooting comfort and reduces felt recoil. Users appreciate the grip and cheek weld, making longer shooting sessions more enjoyable.
Adjustability
75%
The adjustable length of pull is a significant feature praised by many. Reviewers noted that it accommodates various body types and shooting styles, providing versatility to fit individual preferences and clothing.
Quality of Build
85%
The overall build quality of the buttstock received high marks, with users commenting on its durability and solid construction. Many praised Magpul's reputation for quality, claiming the stock feels robust compared to cheaper alternatives.
Minor Installation Challenges
20%
Some reviews pointed out minor annoyances during installation, such as difficulties with the provided tools and parts that might complicate trigger group removal for cleaning. A few users suggested improvements for future models.
Overall Satisfaction
90%
Overall, customers express a high level of satisfaction with the SGA buttstock, indicating it's a worthwhile investment for upgrading shotguns. Many mentioned they would opt for this product again, reflecting strong loyalty to the brand.
5
Feels solid.
Feels solid when shooting. Awesome product
Would you recommend this? Yes, I would recommend to a friend
by David J. on March 20, 2026
Verified Purchase
Was this review helpful? 0
5
Making a Shockwave useful
The zero dollar tax stamp for an SBS prompted my purchase of this product. The high quality of Magpul products and ease of installation helped the decision.
Would you recommend this? Yes, I would recommend to a friend
by David K. on February 28, 2026
Verified Purchase
Was this review helpful? 2
5
Brownells and Magpul….a winning team!
Thank you for the excellent service. This is my fourth Magpul stock, two on Mossbergs and one each on Beretta and Remington. They all make those shotguns so much more user friendly for me. You guys are Aces!
by Paul D. on October 02, 2025
Verified Purchase
Was this review helpful? 0
5
Always reliable
Brownells offered a good price and fast delivery. Magpul offers an improved shooting experience. The sun rises in the east,…
Would you recommend this? Yes, I would recommend to a friend
by Scott D. on August 13, 2025
Verified Purchase
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5
Nice stock upgrade
Easy to install on a Maverick 88. Good option for adjusting the length of pull.
Would you recommend this? Yes, I would recommend to a friend
by GLENN M. on August 08, 2025
Verified Purchase
Was this review helpful? 4
View All 31 Reviews
Customer Questions
0 Questions