Ruger Mark IV 22/45 22 LR 5.50" 10+1 Bull Barrel Semi-Auto Pistol

The Ruger Mark IV 22/45 is a .22 LR rimfire pistol that combines the proven Mark IV action with a 1911-style grip frame for a familiar, ergonomic hold. Chambered in 22 LR with a 10+1 capacity, this 22/45 model features a heavy 5.50" bull barrel that delivers excellent accuracy for plinking, target practice, and small-game hunting.

Built on Ruger's single-action blowback operating system, the Mark IV 22/45 uses a simple one-button takedown for fast and easy field-stripping and proper chamber-to-muzzle cleaning. A recessed button in the back of the polymer grip frame allows the upper receiver to tilt up and off without the use of tools, while the internal cylindrical bolt construction ensures permanent sight-to-barrel alignment. The contoured ejection port and easy-to-grasp bolt ears support durable, reliable operation round after round.

This 40107 configuration wears a blued steel slide paired with a polymer grip frame fitted with checkered 1911-style grip panels for a secure hold. The sighting system pairs a fixed front sight with an adjustable rear sight, and the receiver is drilled and tapped for a Weaver- or Picatinny-style rail. An ambidextrous manual safety, a push-button magazine release located on the left side, and an ergonomic bolt stop round out the controls. Overall length is 9.75" at a weight of 34.4 oz.

Included with the pistol are two magazines and a barrel bushing washer. This is a current-production Ruger Mark IV 22/45 22 LR pistol - an ideal choice for rimfire enthusiasts, training, and recreational target shooting.

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