Williams Gun Sight Target FP Rear Sight Ruger American .22LR Black. 22LR RIFLES WITH BOTH STANDARD AND COMPACT BARREL LENGTHS. BOTH THE FRONT AND REAR SIGHTS COME COMPLETE READY TO INSTALL WITH NO GUNSMITHING REQUIRED. PLEASE ALLOW 2-4 WEEKS FOR DELIVERY. SOME PRODUCT IS IN STOCK AND WILL SHIP ASAP. Also Fits: Ruger American Rimfire. Specifications for Williams Gun Sight Ruger American .22LR Target FP Rear Sight: Manufacturer: Williams Gun Sight Rear Sight Color: Black Gun Make: Ruger Gun Model: Ruger American Rifle .22 Long Rifle Color: Black Fabric/Material: Metal Front Material: Metal Gun Type: Rifle Weather Resistance: Yes Features of Williams Gun Sight Ruger American .22LR Target FP Rear Sight: TARGET FP receiver sight can be adapted to most .22 caliber target rifles as well as many sporter type rifles. Package Contents: Williams Gun Sight Ruger American .22LR Target FP Rear Sight What firearm models does the manufacturer say Williams Gun Sight Ruger American .22LR Target FP Rear Sight is compatible with? The manufacturer says that Williams Gun Sight Ruger American .22LR Target FP Rear Sight is compatible with Ruger American Rifle .22 Long RifleWilliams Gun Sight 71078: Target FP Rear Sight Ruger American .22LR Black