North American Arms MMC Mini-Master *CA .22 LR 4" 5-Round Revolver

The North American Arms MMC Mini-Master .22 LR 4" 5-Round Revolver is a compact, lightweight defensive sidearm purpose-built for deep concealment and backup weapon applications where conventional duty arms prove impractical. Developed through NAA's decades of expertise in miniaturized revolver design, this platform serves law enforcement officers, armed civilians, and tactical professionals requiring a reliable, low-profile firearm that does not sacrifice functional accuracy or cylinder capacity. The .22 LR chambering delivers manageable recoil, minimal muzzle blast, and ammunition economy—critical factors in training-heavy or retention-focused carry scenarios.

The MMC Mini-Master features a 4-inch barrel, extending sight radius and velocity over shorter snubnose designs while maintaining an overall profile of 7 inches—small enough for ankle, pocket, or boot carry without printing. The single-action/double-action revolver mechanism ensures reliable ignition across the full cylinder of five rounds, with traditional revolver simplicity: no safeties to manipulate under stress, no magazine to drop or lose in the field. At 2.5 pounds unloaded, the weapon distributes weight minimally across backup carry positions, and the barrel length provides sufficient velocity gain to improve shot placement consistency compared to ultra-compact alternatives. NAA's precision manufacturing in stainless steel resists corrosion in high-humidity environments, essential for ankle or vehicle-mounted retention.

This revolver appeals most to plainclothes officers, correctional staff, and armed professionals operating in contexts where primary weapon carry is restricted or impractical. The California-compliant configuration ensures legal carry in restricted jurisdictions while maintaining revolver reliability across varying environmental conditions. Training and familiarity with double-action trigger control transfers directly from duty revolvers, reducing cognitive load during qualification or emergency deployment. The five-round capacity, combined with the .22 LR's low recoil impulse, enables rapid follow-up shots and is well-suited for both range practice and defensive readiness. Compatible with standard .22 Long Rifle ammunition, the MMC Mini-Master offers cost-effective training and immediate logistical support through widely available commercial supply chains.