NAA Mini-Master MMTC | 4″ Vent Rib | 5-Rd | Stainless

The North American Arms Mini-Master MMTC is a compact stainless-steel mini-revolver built on NAA’s magnum-frame lineage and fitted with a 4″ vent-rib barrel and Marble Arms adjustable sights. It is offered as a conversion-capable model that accommodates both .22 Long Rifle and .22 Magnum (WMR) with the supplied conversion/cylinder arrangement. The revolver’s small footprint, exposed hammer and finger-grooved rubber grip make it straightforward to carry and operate for precision-oriented short-range work.

Product Specifications

• The manufacturer is North American Arms.
• The model/part number is MMTC (NAA-MMTC).
• The firearm is configured to accept .22 Long Rifle / .22 WMR (conversion-equipped).
• The action is Single Action for deliberate, consistent trigger control.
• The maximum cylinder capacity is 5 rounds.
• The barrel measures 4 inches and features a vent rib.
• The frame and barrel finish is Stainless.
• The frame is constructed from Stainless Steel.
• The grips are black finger-grooved rubber for improved purchase.
• The revolver uses adjustable Marble Arms front and rear sights.
• The hammer style is Exposed to allow manual cocking.
• The overall length is 7.88 inches.
• The unloaded weight is approximately 10.7 oz.
• The model series is listed as CA Compliant in the provided product data.
• The UPC for this product is 744253000614.

Designed for short-range precision and portability, the Mini-Master MMTC suits recreational target shooting and small-game field use where a compact, accurate rimfire platform is appropriate. Its adjustable sights and conversion-capable cylinder let users tune point-of-impact and switch between rimfire calibers for different shooting needs.

With its stainless construction, vent-rib barrel and compact ergonomics, the Mini-Master balances durability and controllability in a minimal package. Its combination of adjustable sights and a conversion-capable cylinder make it a practical choice for shooters who want a small revolver that performs reliably for range work and light hunting tasks.

Owners frequently praise the Mini-Master for its compact accuracy and dependable conversion between .22 LR and .22 Magnum.

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