Gray Ops CNC Matrix Pro Internal Weight Kit Black. Increase weight for added recoil reduction and spotting shots. Specifications for Gray Ops CNC Matrix Pro Internal Weight Kit: Manufacturer: Gray Ops CNC Color: Black Fabric/Material: Machined steel Last Chance: Yes Features of Gray Ops CNC Matrix Pro Internal Weight Kit Machined Steel Black Nitride finish for corrosion/rust protection Kit adds 30 ounces for forend 6 threaded holes per weight to allow location flexibility Installs without removing barreled action from chassis Package Contents: Gray Ops CNC Matrix Pro Internal Weight Kit 8x Total Weights Stainless Steel Harware Gray Ops CNC GO-MPIW: Matrix Pro Internal Weight Kit Black