This is a full-length Dovetail mount that works with any RRS attachments. Bipods, Tripods, Plate adaptors, etc. The rail comes complete with the hardware needed to mount to an Anschutz Rail, M-Lok rail or T-nuts installed in the stock can be used. The rails weigh 36.8 ounces. The rails are .45” thick and are 13.75” long and are made from 10.18 cold-rolled steel and then anodized for protection. Now featuring R-Lock from really Right Stuff.