On Sale Quick view StrongTools Red BoreSighter (177 to 12GA Caliber Rifle Scope) StrongTools MSRP: Now: $15.00 Was: $25.00 Caution: Do not expose your eyes to the beam directly.Advantage: There are 12 adapters that will accommodate practically all calibers from.17 ga. to 12 ga. Don't worry about the adaptor becoming... MSRP: Now: $15.00 Was: $25.00 Quick view Qty in Cart: 0 Price: MSRP: Now: $15.00 Was: $25.00 Subtotal: