Ruger 43955 Mark IV 22/45 Lite .22 LR Champagne 4.4" Threaded 10+1

The Ruger Mark IV 22/45 Lite delivers precision rimfire performance in a lightweight, suppressor-ready platform that excels in competitive shooting and training applications. This pistol combines the ergonomics of a 1911-style grip angle with Ruger's proven Mark IV reliability and simple one-button takedown system.

What Makes This Different

The aluminum-sleeved barrel construction reduces weight by 25% compared to standard Mark IV models while maintaining accuracy and heat dissipation. The champagne anodized slide features aggressive serrations for positive manipulation, while the integrated Picatinny rail accepts optics and accessories without modifications. The threaded muzzle accepts standard 1/2x28 suppressors and muzzle devices straight from the factory.

Key Features

• Lightweight aluminum-sleeved 4.40" stainless steel barrel with 1/2x28 threading
• One-button takedown system allows field stripping without tools
• Picatinny rail machined into slide for direct optic mounting
• 1911-style grip angle with checkered polymer panels for consistent hand placement
• Ambidextrous manual safety and magazine release
• Serrated slide provides secure grip for charging and press checks
• 10-round steel magazine with polymer follower

Accuracy remains consistent through extended shooting sessions thanks to the stainless steel barrel liner and aluminum sleeve design that manages heat buildup. The pistol functions reliably with standard velocity .22 LR ammunition, making it suitable for training, competition, and recreational shooting. Weather-resistant anodized finishes protect against corrosion in field conditions.

Technical Specs

• Caliber: .22 Long Rifle
• Capacity: 10+1 rounds
• Barrel Length: 4.40 inches, stainless steel with aluminum sleeve
• Overall Length: 9.00 inches
• Weight: 25.2 ounces
• Frame: Black anodized polymer with 1911-style grip
• Slide: Champagne anodized aluminum with serrations
• Sights: Adjustable rear, fixed front
• Thread Pitch: 1/2x28 TPI
• Made in USA with limited warranty

This Mark IV 22/45 Lite represents the evolution of Ruger's rimfire platform, incorporating decades of refinements into a modern package. The combination of reduced weight, suppressor compatibility, and proven reliability makes it a practical choice for shooters requiring consistent performance.