Ruger Mark IV 22/45 Lite 22 LR, 4.40 Barrel, 10+1

The Ruger Mark IV 22/45 Lite is a precision-oriented .22 LR pistol built around a lightweight aluminum receiver and a tensioned stainless steel barrel. Threaded for muzzle accessories with a 1/2-28 pattern and equipped with checkered 1911-style grips, this model balances controllability with accuracy for range use and general plinking. The platform features Ruger’s simple one-button takedown for easy field-stripping and maintenance.

Key Specifications

• The caliber is 22 LR.
• The capacity is 10+1.
• The receiver material is Aluminum.
• The barrel measures 4.40.
• The barrel is Threaded with a 1/2-28 thread pattern.
• The front sight is Fixed and the rear sight is Adjustable.
• The grip frame is Polymer with checkered 1911-style grips.
• The barrel has 6 grooves with a 1:16 RH twist.
• The overall length is 8.40 and the height is 5.50.
• Includes two 10-round magazines and features a magazine disconnect for added safety.

Purpose-built for accurate, low-recoil shooting, the Mark IV 22/45 Lite offers features that appeal to informed shooters who value reliability and easy maintenance. Its threaded barrel and factory Picatinny rail accommodate a range of optics and muzzle accessories, while the lightweight receiver and ergonomic grip make it comfortable for extended range sessions. Clean lines, practical controls, and Ruger’s one-button takedown make this a straightforward, capable option for target work and casual training.