What's in the Box Ruger American Rimfire 22 LR Bolt-Action Rifle (1) 10-Round Magazine Trigger Lock Owner's Manual The 100% American-made Ruger American Rimfire 22 LR bolt-action rifle builds on the enormous success of the centerfire Ruger American Rifle. Firearm Specifications Manufacturer: Ruger Model: American Rimfire Style Number: 8334 Caliber: 22 LR Barrel Length: 18" threaded Twist Rate: 1:16" RH Thread Pattern: 1/2"x28" Finish: Satin Blued Stock: OD Green Synthetic Length of Pull: 13.75" Overall Length: 37" Weight: 5.3 lb UPC: 7-36676-08334-3