Over 300,000 customers - we say thank you!

40,000+ products for hunting and shooting sports

MAGPUL
SGA® AMBIDEXTROUS BUTTSTOCK FOR MOSSBERG® 500/590

873750008523 100011605
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.  
139.9 139.9 4 GBP
Product no.: 100011605
MAGPUL SGA BUTTSTOCK AMBIDEXTROUS FOR 12GA MOSSBERG 500/590 BLACK
Mfr Part: MAG490-BLK 873750008523 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.
139.9 GBP 0 £139.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Color: Black Features: Replacement Gauge: 12 Gauge Make: Mossberg Material: Polymer Model: 500, 590

Top takeaways

  1. The Magpul SGA Buttstock is a customizable stock for Mossberg 500/590 shotguns, featuring adjustable length of pull and an ergonomic grip.
  2. Constructed from durable hard polymer used in AR-15 stocks, it ensures reliability under harsh conditions and includes a recoil-absorbing buttpad for better control.
  3. It offers a modular design with optional accessories such as cheek risers and sling mounts to enhance the shotgun's tactical efficiency.

Attributes

Colour: Black Features: Replacement Gauge: 12 Gauge Make: Mossberg Material: Polymer Model: 500,590 Delivery weight: 0.93kg Shipping height: 57mm Shipping width: 171mm Shipping length: 324mm UPC : 873750008523

Item details

Made in USA



Product no.: 100011606
MAGPUL SGA BUTTSTOCK AMBIDEXTROUS FOR 12GA MOSSBERG 500/590 FDE
Mfr Part: MAG490-FDE 873750008530 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.
139.9 GBP 15 £139.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Color: FDE Features: Replacement Gauge: 12 Gauge Make: Mossberg Material: Polymer Model: 500, 590
Product no.: 100011607
MAGPUL SGA BUTTSTOCK AMBIDEXTROUS FOR 12GA MOSSBERG 500/590 ORANGE
Mfr Part: MAG490-ORG 873750008547 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.
139.9 GBP 5 £139.90 *
Delivery time approx. 7-14 days.
5 pcs. in the USA warehouse
Specs: Color: Orange Features: Replacement Gauge: 12 Gauge Make: Mossberg Material: Polymer Model: 500, 590
Product no.: 100015243
MAGPUL SGA BUTTSTOCK AMBI FOR 12GA MOSSBERG 500/590 STEALTH GRAY
Mfr Part: MAG490-GRY 873750012001 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.
139.9 GBP 0 £139.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Color: Gray Features: Replacement, Law Enforcement/Police, Fixed Gauge: 12 Gauge Make: Mossberg Material: Polymer Model: 500, 590

Upgrade your Mossberg 500/590 with the Magpul SGA Buttstock. 🛠️ Customizable length and ergonomic design for optimal control and comfort.

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.  
5
Not available
 
Back to top