The Samson Manufacturing 030009501 is characterized by its Samson DMR Scope Bases, renowned for their robust design, proven return-to-zero capacity, and intuitive quick release locking mechanisms that can be operated with just one hand. Built using 6061 T6 aircraft grade aluminum for excellent durability, these superior scope mounts also incorporate stainless steel locking mechanisms. Also unique to them is their multi-start threading, which allows for rapid quick release action. What truly sets them apart is their combination of these top-tier features, not to be found elsewhere in the market. Hence, they offer an unmatched device for all your scope mounting needs.