Description

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.