What's in the Box Bergara BMR 17 HMR Bolt-Action Rifle (2) 5 Round Magazines Owner's Manual The Bergara BMR (Bergara Micro Rimfire) is for those that demand the best and expect nothing short of perfection. The BMR fits the bill of the base class within the NRL22 series and offers a match chamber with world-class accuracy. It's also lighter and easier to carry in the field for small game pursuits. Firearm Features Bolt-Action Manual Safety Threaded Muzzle Firearm Specifications Manufacturer: Bergara Model: BMR Caliber: 17 HMR Barrel Length: 20" Twist Rate: 1:19" Overall Length: 38" Finish: Matte Blued Stock Finish: Tactical Gray with Black Specks Synthetic Sights: None; Drilled and Tapped Magazine Capacity: 5+1