Samson DMR 34mm Scope Mount Rings w/20 MOA Bias 3 inch Offset Black. This Riflescope Mount from Samson can be adjusted to fit out of spec Picatinny rails making it the ideal device for tactical operators. However these Samson Rifle Scope Mounts & Bases use a one-handed operation and a positive locking latch that will provide a secure foundation for your Rifle Scope. For a great way to make sure you are working with one of the best scope bases the shooting industry has to offer choose the Samson 34mm DMR Rifle Scope Mounting Rings w/ 20 MOA Bias. Specifications for Samson DMR 34mm Scope Mount Rings w/20 MOA Bias: Manufacturer: Samson Color: Black Tube Diameter: 34 mm Additional Features: 20 MOA Bias Condition: New Features of Samson DMR 34mm Scope Mount Rings w/20 MOA Bias 20 MOA Bias for precision long range shooting One-handed operation Positive locking latch Full length clamp Tool-less adjustability for out-of-spec Picatinny rails Package Contents: Samson DMR 34mm Scope Mount Rings w/20 MOA Bias Samson 03-00100-01: DMR 34mm Scope Mount Rings w/20 MOA Bias 3 inch Offset Black