TacStar SideSaddle Rail Mount Mossberg 500/590 12 Ga 6rd Black

This SideSaddle rail mount provides a low-profile shell carrier and an accessory mounting surface for Mossberg 500 and 590 shotguns. The unit is built to straddle both sides of the receiver for rigidity and is finished to reduce glare. A raised Picatinny rail offers a mounting point for optics or other accessories while retaining use of the shotgun’s bead sight. The carrier holds six 12-gauge shells and uses a flexible synthetic retention material designed for secure shell storage.

Key Specifications

• The unit fits Mossberg models 500 and 590.
• Designed for 12 Gauge shotguns.
• Shell retention capacity is 6 12-gauge shells.
• Constructed from Aluminum/Plastic.
• Mounts to the receiver for a rigid fit.
• Includes an integral Picatinny rail on top for accessories.
• The finish is described in product materials as a non-glare anodized surface.
• Overall dimensions are approximately 2.65 x 2.70 x 8.75 inches.
• Product type is a shotshell carrier with rail mount functionality.

The TacStar SideSaddle offers a practical, low-profile way to carry additional 12-gauge shells while adding a Picatinny rail for accessory mounting. Its receiver-mounted design emphasizes rigidity and sight retention, making it a straightforward upgrade for Mossberg 500/590 owners who want accessible shells and a stable accessory platform without permanent gunsmithing modifications.