Scope Base Pic-wvr Mossberg 1 - Retention adjustment screw allows

- Retention adjustment screw allows user to select level of retention

- Dual Switch Technology: Push-button tail switch and head-mounted switch

For this reason

- Retention strap with reinforced thumb

Scope Base Pic-wvr Mossberg 1 - Retention adjustment screw allowsTruGlo Optic Rail, Picatinny Weaver Receiver Mount For Mossberg 500 590 590A 835 & 930 Series Features: Perfect For Scopes and Dot Optic Sights Easy to Install CNC Machined Aircraft Grade Aluminum Includes: (4) Screws Wrench Specifications: Fits: Mossberg 500 590 590A 835 & 930 Series Compatible With: Picatinny and Weaver Style Rings or Mounts For Use With: Drilled and Tapped Receivers Finish: Black