What's in the Box Ruger Mark IV 22/45 250th Anniversary Ed. 22LR Semi-Auto Pistol (2) 10-Round Magazines Cable Lock Owner's Manual This .22 LR pistol features a 4.40" threaded bull barrel, cold hammer-forged construction, and simple one-button takedown. It includes a polymer grip frame, adjustable rear sight, and comes with two 10-round magazines. Firearm Features Limited edition model features a special "Made in the 250th Year of American Liberty" engraving on the barrel to commemorate America's 250th Anniversary. Simple, one-button takedown for quick and easy field-stripping and proper chamber-to-muzzle cleaning. Pressing a button in the back of the frame allows the barrel-receiver assembly to tilt up and off the grip frame without the use of tools. Comfortable, precision-molded polymer grip frame with a serrated frontstrap and checkered backstrap. 1/2"-28 threaded barrel with thread protector allows for the attachment of popular muzzle accessories. Cold hammer-forged barrel results in ultra-precise rifling that provides exceptional accuracy and longevity. Ergonomic bolt stop. Checkered, 1911-style grip panels for a great appearance and comfortable, non-slip hold. Internal cylindrical bolt construction ensures permanent sight-to-barrel alignment and higher accuracy potential than conventional moving-slide designs. Contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable operation round after round. Factory-installed scope mount for direct optic mounting of RMR, DPP and RMSc pattern optics. Ambidextrous manual safety can be converted to left-side only with included washer. Features a conveniently located push-button magazine release on the left side of the frame. Magazine drops free on release for convenient reloading. Magazine disconnect prevents discharge when the magazine has been removed. Also includes: two, 10-round magazines. Firearm Specifications Manufacturer: Ruger Model: Mark IV 22/45 250?? Anniversary Edition Caliber: 22LR Barrel Length: 4.4" Twist Rate: 1:16" RH Finish: Black Magazine Capacity: 10 Rounds