Monstrum Picatinny Rail Mount for Ruger American Rifles with Integrated Level Bubble | Rimfire

Picatinny rail mount built specifically for Rimfire Ruger American rifle platforms
Compatible with Short Action Ruger American models only including: 22 LR | 22 WMR | 17 HMR. Not compatible with short action or with long action rounds
Scope mount installs directly to receiver via the factory mounting holes and included #6 set screws with no additional hardware required
Integrated level bubble built into the rear of the rail to help ensure proper vertical alignment of your rifle and to eliminate scope cant error
All Monstrum scope mounts and accessories come with a lifetime guarantee