Upgrade your Mossberg 590 with the GrovTec Mag Cap Shotgun Push Button Set in black. This durable steel replacement cap seamlessly integrates with GT push button swivels GT twist lock swivels or the GT multi-adaptor delivering unmatched speed and versatility for hunters and shooters. Designed specifically for 12-gauge Mossberg 590-835 shotguns the set includes a mag cap and standard 1-inch GT push button swivel ensuring secure performance and convenience in the field. Overhaul your shooting experience with this must-have swivel set for practicality and durability.