North American Arms 22MR4 Ranger II 22 WMR 5 Shot 4" Stainless Steel Barrel, Stainless Steel Frame, Stainless Cylinder, Rosewood Boot Grip, Exposed Hammer
https://www.tandktactical.com/shop/744253003325-north-american-arms-22mr4-ranger-ii-22-wmr-5-shot-4-stainless-steel-barrel-stainless-steel-frame-stainless-cylinder-rosewood-boot-grip-exposed-hammer-22478
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The Ranger II Features a 22 Mag, single action fully ribbed barrel; star ejector, break open cylinder and Rosewood boot grips.