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Questions & Answers
Will this work together with the crimson trace lasersaddle? Expert Answer

No, it will not.

by Jonathan D., Gear Expert, October 22, 2019
Will this work with the 590 Shockwave 12 GA.?

Yes it’ll work for the Shockwave 12 gauge

by Aquaman, Verified Owner, November 30, 2021
Customer Reviews
Helpful Positive Review
Mossberg Shockwave Firearm 12 gauge by CARY STARKE, Verified Owner, February 13, 2017
The BEST shell saddle available , The slant is very cleaver . I put this on a MOSSBERG SHOCKWAVE 14" Barrel. Put 2 shells in front ( Brass up ) for direct chamber feeding, and use the 4 in the rear for tube/ magazine feeding.Does not add much weight ...
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10/10 found this helpful
Helpful Positive Review
Top Notch !! by Al, November 8, 2014
What a nicely made item - real, and solid. Quite literally fitted in minutes to my 590, and feels great. Shells sit snugly, and will not 'fall' out by accident. These guys do themselves proud. Would definitely purchase another if required, and do...
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5/5 found this helpful
Helpful Positive Review
Great side saddle by amerninja, August 6, 2017
This is a really nice side saddle for your Mossberg. Feels durable, and the angle helps speed up reloading. It holds shells pretty tight, which can make it difficult to pull them out quickly, but better that then being too lose. Should be fine for st...
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1/2 found this helpful
Helpful Positive Review
Sold Side Saddle by Coach, January 6, 2020
Was looking for a side saddle to go with my Mossberg 590, tried another brand that was less money but it was too difficult to get the shells out when needed so returned it & bought the GG&G model. Installation was easy & I mean easy, took more time ...
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2/3 found this helpful
Helpful Positive Review
Shockwave Must Have!!! by Brent Bettie, Verified Owner, April 30, 2018
This side saddle was easy to install and the quality is second to none. I would highly recommend this product for the Mossberg 590 Shockwave. Shells fit snug and won’t fall out. All hardware is included. All you will need is some Blue Locktite for th...
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2/2 found this helpful
Most Recent Reviews
Side Saddle by Scoper, Verified Owner, October 19, 2025
Side Saddle fits Mossberg 590 well. Has easy access to shells.
Read All 17 Reviews
Color: Black Attachment Type: Side Mount Gun Type: Shotgun Gun Model: Mossberg Model 500 , Mossberg Model 590 Length: 6.5 inCondition: New

Code: 2G-WPM-SSSHD-GGG-1515

MPN: GGG-1515

UPC: 813157004681

List: $91.00Save 13%
$78.79

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for GG&G Mossberg 500 & 590 Side Saddle Shell Holder

No modifications required for installation. The Mossberg 500 and 590 Side Saddle mounts solidly to the weapon using steel trigger pin and ejector replacement bolts. The non-marring backing plate will not damage the receiver's finish. Both the 4 shot side saddle and 6 shot side saddle hold 12ga ammunition at a unique angle of 15 degrees to facilitate the speed of bottom loading the magazine tube or top loading of the chamber. With the Mossberg 500 Side Saddle Shell Holder, shotshells can be retained in base up or base down position depending on shooter's style of reloading. The side saddle features a durable, oil resistant, replaceable shotshell retention system. The side saddle manufactured from 6061-T 6 aluminum. Type III hard anodized black per Mil-Spec. Handgun modification service required. Please refer to the photo i.d. The GG&G Mossberg 500 & 590 Side Saddle Shell Holder 1512 features a 4 round magazine & 6 round shotshell version.image

WARNING: California`s Proposition 65

Specifications for GG&G Mossberg 500 & 590 Side Saddle Shell Holder:

Manufacturer: GG&G
Color: Black
Attachment Type: Side Mount
Gun Type: Shotgun
Gun Model: Mossberg Model 590, Mossberg Model 500
Length: 6.5 in
Weight: 5.5 oz
Condition: New
Mount Type: Side Mount
Country of Origin: USA
Gauge: 12

Features of GG&G Mossberg 500 and 590 Side Saddle Aluminum Shell Holder:

  • 4 shot and 6 shot Mossberg 500 and 590 side saddles available
  • No modifications are required to the weapon for installation
  • The Mossberg 500/590 Side Saddle mounts solidly to receiver using provided steel trigger pin and ejector replacement bolts
  • Non-marring backing plate will not damage the receiver's finish. Both the 4 shot side saddle and 6 shot side saddle hold 12ga ammunition at a unique angle of 15 degrees to facilitate the speed of bottom loading the magazine tube or top loading of the chamber
  • With the Mossberg 500 Side Saddle Shell Holder, shotshells can be retained in base up or base down position depending on shooters style of reloading
  • The side saddle features a durable, oil resistant, replaceable shotshell retention system
  • Manufactured from 6061-T 6 aluminum
  • Type III hard anodized black per Mil-Spec
  • Ergonomic design including lightning cuts for weight reduction
  • Lifetime Warranty
  • Model 1512 fits 4 Rounds, Model 1515 fits 6 Rounds

Package Contents:

  • GG&G Mossberg 500 & 590 Side Saddle Shell Holder

GG&G Mossberg 500 & 590 Side Saddle Shell Holder Orderable Models

List of Orderable Models

  • GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515 , MPN: GGG-1515 , UPC: 813157004681 , Code: 2G-WPM-SSSHD-GGG-1515

GG&G Mossberg 500 & 590 Side Saddle Shell Holder Unavailable & Discontinued Models

List of Unorderable Models

  • GG&G Mossberg 500 and 590 Side Saddle Shell Holder 4-Shot 12ga. GGG-1512 , MPN: GGG-1512 , UPC: 813157005220 , Code: 2G-WPM-SSSHD-GGG-1512
  • USED, GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515 , MPN: GGG-1515-EDEMO , Code: 2G-WPM-SSSHD-GGG-1515-EDEMO-US-C
  • USED, GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515 , MPN: GGG-1515-EDEMO , Code: 2G-WPM-SSSHD-GGG-1515-EDEMO-RE-C
  • USED GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515, EDEMO6, Used, Condition Good , MPN: GGG-1515-EDEMO6 , Code: 2G-WPM-SSSHD-GGG-1515-EDEMO6
  • USED GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515, EDEMO5, Used, Condition Fair , MPN: GGG-1515-EDEMO5 , Code: 2G-WPM-SSSHD-GGG-1515-EDEMO5
  • USED GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515, EDEMO7, Used, Condition Fair , MPN: GGG-1515-EDEMO7 , Code: 2G-WPM-SSSHD-GGG-1515-EDEMO7
  • USED GG&G Mossberg 500 and 590 Side Saddle Shell Holder 6-Shot 12ga. GGG-1515, EDEMO4, Used, Condition Like New , MPN: GGG-1515-EDEMO4 , Code: 2G-WPM-SSSHD-GGG-1515-EDEMO4
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