Picatinny cross slots run the full length of the rail, which gives the shooter flexibility when mounting scope rings and other accessories. The cross slots are also machined the full width of the mount and gauged to MIL-STD 1913 specs maintaining tolerances of +/-.002". This mount is compatible with: Savage Model 110 Long Action Round Rear Receiver, Savage Model 111 Long Action Round Rear Receiver, Savage Model 112 Long Action Round Rear Receiver, Savage Model 114 Long Action Round Rear Receiver, Savage Model 116 Long Action Round Rear Receiver, Stevens Model 200 Long Action Round Rear Receiver; This mount does not compatible with: Savage Edge, Savage Axis, Savage Axis II, Savage Model 25, Savage Long Actions with Flat Rear Receivers, Savage Medium Actions with Flat Rear Receivers