Ruger Mark IV .22 LR Pistol 5.5" 10+1RD 40107

Designed for 1-button takedown, the Ruger Mark IV 22/45 .22 LR Pistol is crafted with a steel-alloy receiver that lifts up and off the frame tool free, a 5.5-inch bull barrel with fixed and adjustable sights and a checkered synthetic grip. It's drilled and tapped to accept Weaver- or Picatinny-style optic rails (sold separately).

Product Features:

• Simple, one-button takedown for quick and easy field-stripping and proper chamber to muzzle cleaning
• A recessed button in the back of the frame allows the upper receiver to tilt up and off of the grip frame without the use of tools.
• Ergonomic bolt stop
• 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 adjustable rear sight and drilled and tapped receiver for Weaver- or Picatinny-style rail for easy mounting of optics
• Ambidextrous manual safety positively locks the sear in the "SAFE" position when applied. 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 faster reloading
• Magazine disconnect prevents discharge when the magazine has been removed
• Barrel Style: Bull 
• Also includes: (2)10rd magazines
• Trigger Pull Weight: 2.5lbs
• Twist Rate: 1:16
• Grooves: 6