North American Arms Mini-master .22 WMR 4" Stainless Revolver

The North American Arms Mini-Master 22 Magnum 4" is a compact, purpose-built revolver engineered for backup duty, off-duty carry, and situations where deep concealment matters without sacrificing practical firepower. Favored by law enforcement professionals and armed civilians alike, this stainless steel revolver bridges the gap between ultra-compact pocket guns and full-size defensive platforms, delivering reliable ballistics in a form factor that disappears in an ankle holster, waistband, or vehicle console.

Built on a robust steel frame with a 4-inch barrel, the Mini-Master chambers the 22 Magnum cartridge—a high-velocity rimfire round that generates substantially more energy than standard 22 LR while maintaining sub-sonic supersonic velocities optimal for barrier penetration and consistent expansion. The five-round capacity reflects the revolver's philosophy: reliability and weight savings over volume. Fixed sights eliminate snag hazards during draw and provide intuitive sight picture alignment under stress, while the stainless finish resists corrosion in all climates and eliminates the maintenance burden of blued steel in duty or duty-adjacent applications.

Law enforcement officers transitioning to backup roles, plainclothes detectives, and armed citizens prioritizing ankle or pocket carry will find the Mini-Master's lightweight profile (1 lb) and compact dimensions ideal for extended wear without printing or discomfort. Its steel frame construction ensures longevity through thousands of rounds, and the fixed-sight, double-action/single-action trigger geometry—standard to North American Arms revolvers—delivers predictable shot placement after minimal familiarity. 22 Magnum ammunition remains widely available and affordable, making this platform practical for training and live-duty deployment alike.