Ruger Mark IV 22/45, Single Action, Semi-automatic, Polymer Frame Pistol, Full Size, 22LR, 5.5" Barrel, Bull Barrel, Blued Finish, Checkered Synthetic Grips, Adjustable Rear Sight, 10 Rounds, 2 Magazines, California Compliant 40187

CALIBER: 22 LR - Capacity 10+1 - Receiver Material Alloy Steel - Front Sight Fixed - Barrel Length 5.50 - Grip Frame Polymer - Grips Checkered Synthetic - Finish Blued - Width 1.22 - Rear Sight Adjustable - Barrel Style Bull - Weight 34.4 oz. - Overall Length 9.75 - Height 5.50 - Grooves 6 - Twist 1:16 RH - Simple one-button takedown for quick and easy 9eld-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. - Cold hammer-forged barrel results in ultra-precise riAing that provides exceptional accuracy and longevity. - Ergonomic bolt stop. -0 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. - Accurate sighting system features a drilled and tapped receiver for Weaver- or Picatinny-style rail for easy mounting of 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. Manufacturer Part Number: 40187