You will need to drill and tap your receiver to make this mount work. Picatinny cross slots run the full length of the rail, which gives the shooter flexibility when mounting scope rings and other accessories. The channel in the center reduces the overall mass of the mount. Also, in many cases, it will not obstruct usage of factory iron sights. EGW's one-piece scope mounts are the obvious choice for hunters and tactical shooters alike. They machine these in their shop using one of their machining centers. After machining, the mounts are tumbled, sand blasted, and Type II anodized for long lasting durability. Installation: EGW recommends 20 inch lbs of torque and a drip Mfg: Egw