NAA Mini-Master Target Revolver .22 Winchester Magnum 4″

The NAA Mini-Master Target Revolver .22 Winchester Magnum 4″ is a compact single-action revolver built on North American Arms’ Magnum-frame platform. It pairs a 4″ heavy vent-rib barrel with Marble Arms adjustable sights, giving you a precision-oriented mini-revolver for close-range recreational shooting and everyday carry where permitted. This stainless steel .22 WMR packs higher velocity into a pocket-sized package, making it a standout for EDC enthusiasts who want reach and accuracy without the bulk.

Key Features

• 4″ Heavy Vent-Rib Barrel — WHY IT MATTERS: The extended barrel length and vent-rib design reduce muzzle flip and improve sight radius, so you can place shots more consistently at 15–25 yards than with standard snub-nose mini-revolvers.
• Marble Arms Adjustable Sights — WHY IT MATTERS: Windage and elevation adjustments let you dial in point of impact for different .22 WMR loads, turning a compact revolver into a legitimate target tool for range sessions or small-game hunting.
• Oversized Black Rubber Grips — WHY IT MATTERS: These grips fill the hand better than stock mini-revolver panels, reducing felt recoil and giving you a secure hold during rapid fire or one-handed use.
• 5-Shot Magnum Cylinder — WHY IT MATTERS: Chambered in .22 Winchester Magnum, you get nearly double the muzzle energy of .22 LR in a package that still fits in a jeans pocket or ankle holster.
• Single-Action Trigger — WHY IT MATTERS: The crisp, light pull (typically around 3–4 lbs) allows precise shot placement, which is critical when you’re working with a small frame and limited sight picture.

Who It’s For

This revolver is for the EDC enthusiast who wants a backup piece that can reach out beyond typical belly-gun distances. It’s ideal for hikers, campers, and pocket-dump carriers who prioritize low weight and high concealability but still want adjustable sights for plinking or varmint control. If you’re already carrying a larger semi-auto and need a deep-concealment option, the Mini-Master fills that niche without sacrificing .22 Magnum’s extra velocity.

Pros & Cons

• Pro: Lightweight at 7.2 oz — disappears in a pocket holster or boot clip.
• Pro: Adjustable sights are rare in this category; Marble Arms units are proven for durability.
• Con: Single-action only — you must manually cock the hammer for each shot, which slows follow-ups under stress.
• Con: Five-shot capacity limits sustained engagement; speed strips are your best reload option.

Comparison vs. Competitors

The Mini-Master is lighter and more concealable than the Taurus 942, though you trade capacity and a double-action trigger. Against the S&W 43C, you get .22 WMR’s higher velocity but lose two rounds and the option to shoot .22 LR.

FAQ

Ready to Add This to Your EDC Rotation?

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Browse more compact options in our Revolvers category, or check out Concealed Carry Holsters and .22 Ammo to complete your setup.

Last updated: April 2026. According to NSSF data, .22 WMR accounts for roughly 12% of rimfire ammunition sales annually — a niche that values velocity over volume.