The North American Arms MMTC Mini-Master is a compact single-action revolver chambered in 22 LR with a 4-inch stainless steel ventilated rib barrel. This California compliant revolver features all-stainless construction and weighs just 10.80 oz.North American Arms MMTC Mini-Master Revolver22 LR caliber with 5-shot capacity4" stainless steel ventilated rib barrelSingle-action only (SAO) operation with exposed hammerStainless steel frame and cylinderBlack finger grooved rubber gripsAdjustable Marble Arms front and rear sightsOverall length: 7.88" Weight: 10.80 ozCalifornia compliant configurationIdeal for target shooting small game hunting or as a compact backup firearm this Mini-Master combines quality NAA craftsmanship with practical portability and reliable performance.