Each Weaver base is machined to tight tolerances for a custom fit. These Aluminum bases offer maximum strength for rings to hold tight. Machined Aluminum Weatherby Vanguard shimming required Fits Beretta Pintail slug gun ES100 (front or rear) BSA Monarch medium-action .222, .243 & .308 calibers (rear) BSA CF2, Monarch long-action 7mm, .270 & .30-06 calibers (rear) Churchill Highlander (rear) Colt Sauer (front or rear) Enfield receiver cut-down like Remington 721 (front) Herters U9 round receiver (front) Interarms Howa (front) Mossberg 1500 & 1700 (front) Raptor Arms (front) Remington 700 & 78 long-action (front) Remington 40X-S, 721, 722 & 725 (front) Remington 700/78 short-action (front) Remington 700 muzzleloader (front) Remington new model 7 & 673 (front) Sauer 200 (front or rear) Shilen round receiver (front or rear) S&W 1500, 1600 & 1700 (front)
