This is a full length Dovetail mount that works with any RRS attachments. Bipods, Tripods, Plate adaptors, etc.. The rail comes complete with hardware needed to mount to an Anschutz Rail, M-Lok rail or T-nuts installed in the stock can be used. The rails weigh 24.9 oz. with the brass weights installed. The rails are .45” thick and are 13.75” long and are made from 6061-T6511 aluminum and then anodized for protection. Included are (6) Anschutz T-nuts and screws for installation on a Anschutz rail. Also included are (4) Pronge T-nuts that can make this rail customizable for many other McMillian and Mannars stocks with a flat fore-end.