Ruger combines lightweight construction with suppressor capability in the Mark IV 22/45 Lite (43961), a semi-automatic rimfire pistol featuring a 4.4 inch threaded barrel with blue anodized aluminum upper and 22 Long Rifle chambering built for recreational shooting, competition, and suppressed plinking. This pistol delivers the proven Mark IV action with one button takedown, reduced weight for extended shooting sessions, and factory threaded muzzle that accepts sound suppressors without additional machining.
Key Features
- Manufacturer part number 43961
- Caliber 22 Long Rifle
- Capacity 10+1 rounds with included magazine
- Barrel length 4.4 inches, threaded muzzle with thread protector
- Upper receiver blue anodized aluminum with ventilated rib
- Frame polymer 1911 style grip angle
- Grips checkered 1911 pattern panels
- Action blowback operated semi-automatic
- Sights adjustable rear and fiber optic front
- Weight approximately 22.7 ounces
- Overall length approximately 8.8 inches
- Safety ambidextrous manual thumb safety
- Takedown one button disassembly system
Special Features
- Threaded barrel muzzle accepts rimfire suppressors or muzzle devices without gunsmith modification
- Blue anodized aluminum upper receiver reduces weight compared to steel construction while maintaining rigidity
- Ventilated barrel shroud further decreases weight and provides modern appearance
- One button takedown allows field stripping without tools for cleaning and maintenance
- 1911 style grip angle provides familiar feel for shooters transitioning from centerfire pistols
- Mark IV action includes last round bolt hold open for faster magazine changes
- Checkered 1911 pattern grips offer secure hold with classic styling
- Ambidextrous thumb safety accommodates left and right handed shooters without modification
- Fiber optic front sight gathers light for fast sight acquisition in varying conditions
- Adjustable rear sight allows windage and elevation changes for precise zeroing
Practical Benefits
- Well suited for recreational shooting, informal competition, and suppressed plinking where light weight matters
- 4.4 inch barrel balances accuracy potential with compact handling for various shooter sizes
- Threaded muzzle accommodates suppressors for quiet shooting on private land or suppressor friendly ranges
- Lightweight 22.7 ounce construction reduces fatigue during extended practice sessions or high round count training
- 22 Long Rifle chambering keeps ammunition costs minimal for frequent shooting and skill development
- One button takedown simplifies cleaning after dirty rimfire shooting without specialized tools or knowledge
- 1911 grip angle supports training fundamentals that transfer to defensive centerfire pistols
- Adjustable sights allow zeroing with different ammunition types or subsonic loads used with suppressors
- Ambidextrous controls support training for shooters of both hand dominances
- Standard 10 round magazine capacity provides adequate shot count between reloads for most shooting applications
The Ruger Mark IV 22/45 Lite (43961) stands as a confidence building choice for shooters seeking a lightweight suppressor ready rimfire pistol with one button takedown and familiar 1911 ergonomics for training and recreational shooting.
| MANUFACTURER | RUGER |
| MODEL | MARK IV |
| CALIBER | 22 LR |
| TYPE | PISTOL |