Ruger Mark IV, 22/45 Lite, Single Action, Semi-automatic, Polymer Frame Pistol, 22LR, 4.4" Non-Threaded Barrel, Diamond Gray, Wood Laminate Finger Groove Grips, Adjustable Rear Sight, Ambidextrous Safety, 10 Rounds, 2 Magazines 43921

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.
• Receiver is made of aerospace-grade aluminum and is ventilated making the pistol extremely light.
• Ergonomic bolt stop.
• Smoothly contoured wood laminate target grips with wrap around finger grooves for precision shooting.
• 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 an adjustable rear sight and a factory-installed Picatinny 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.
• Also includes: two 10-round magazines.

Specifications:

• Caliber: .22 LR
• Capacity: 10
• Receiver Material: Aluminum
• Front Sight: Fixed
• Barrel Length: 4.40"
• Grip Frame: Polymer
• Grips: Target Laminate
• Finish: Diamond Gray Anodized
• Width: 1.50"
• Rear Sight: Adjustable
• Barrel Style: Non-Threaded
• Thread Pattern: N/A
• Weight: 27 oz.
• Overall Length: 8.40"
• Height: 5.50"
• Grooves: 6
• Twist: 1:16" RH
• CA Approved: No
• MA Approved & Certified: No