Home / Gun Care & Accessories / ATI Outdoors
▼ 35% off
Advanced Technology Halo Gen 2 Side Saddle Shotgun Shell Holder Mossberg 500, 590 12 Gauge Aluminum Matte

Advanced Technology Halo Gen 2 Side Saddle Shotgun Shell Carrier Mossberg 500/590 12 Gauge Aluminum

$48.99 35% off MSRP 9 in stock at 17 retailers
9 Shell Customizable Configuration
CNC Machined 6061 T6 Aluminum
Integrated Top Rail

Specifications

Caliber
MPN
A.5.10.2551
UPC
758152622372
MSRP
$74.99

Description

The ATI Outdoors Halo Gen 2 Side Saddle is a shotgun ammunition carrier designed to mount on the side of a 12 gauge shotgun and hold extra shells within reach. It is CNC machined from 6061 T6 aluminum and finished in black military Type III hard anodizing.

The carrier holds nine rounds of 12 gauge shells and attaches to a tapped receiver using 8/32 screws. It includes an integrated top rail and a skeletonized side design. The included screws come with a thread patch.

It directly fits the Mossberg 500 and 590 12 gauge with a tapped receiver. Fitting the Maverick 88, Remington 870, or Winchester SXP requires modification, including gunsmithing to drill and tap the receiver holes.

  • Fits: Mossberg 500/590 12 gauge direct; Maverick 88, Remington 870, Winchester SXP require modification
  • Caliber: 12 Gauge
  • Capacity: 9 rounds
  • Material: 6061 T6 aluminum
  • Finish: Military Type III hard anodized
  • Color: Black
  • Mount Type: Tapped receiver, 8/32 screws
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.