The UTG® Optic Mount (MT-MB590) is a dedicated Picatinny rail mount designed for 12-gauge Mossberg® 500® and 590® shotguns (not compatible with the Mag-Fed 590M® model). It allows secure mounting of optics while preserving quick access to the factory bead sight and requiring no permanent modifications to the firearm.

• Durable construction — Made from 6061-T6 aluminum with matte black anodized finish, plus polymer components
• Scalloped full-length Picatinny rail — 13 slots for versatile optic placement
• Integrated removable side saddle — 4-shot shell carrier included for convenient ammo storage
• Lightweight and compact — Weighs only 4.2 oz (119 g); dimensions 7.02" L × 1.80" W × 2.49" H
• Easy installation — No gunsmithing required; maintains compatibility with up to 3.5" chambers

Specifications