With the MDT XRS Forend Weight M-LOK you can add weight to the front section (forend) of your MDT XRS Chassis System to achieve optimal balance and help reduce felt recoil. The XRS Forend Weight is compatible with the MDT XRS Chassis System only. Features Single-piece steel weight that fills the XRS forend Installs easily, sliding under the barrel Nitrided finish for corrosion resistance Approximate dimensions: 10" x 1.125" x 0.5" Clearance for barrel contours up to 1.25" Adds 1lb of weight to the front section of the chassis to tune the balance point of the rifle, and reduce felt recoil Includes underside clearance slot for M-LOK nut clearance Includes all hardware (6x #10-24 x 5/8" Flat-Head Cap Screws) for mounting to XRS forend