Samson DMR 30mm Scope Mount Rings 3 inch Offset Black. Samson built these Riflescope Mounts & Bases with rugged aircraft grade aluminum and a stainless steel locking mechanism that won't give in to pressure or use. These Samson DMR Rifle Scope Mounts feature one-handed operation for easy and secure use. You can adjust these rings on the fly as well which is incredibly useful for out-of-spec rails. Tool-less adjustability allows you to bring these bases into compliance with local ordinances and facilitate a smooth one-handed removal. Pick up your Samson DMR High Visibility Scope Rings before your next outing to properly secure a top-quality Rifle Scope to your weapon. Specifications for Samson DMR 30mm Scope Mount Rings: Manufacturer: Samson Offset: 3 in Color: Black Tube Diameter: 30 mm Package Contents: Samson DMR 30mm Scope Mount Rings Samson 03-00091-01: DMR 30mm Scope Mount Rings 3 inch Offset Black