Caliber: .40 S&WCapacity: 5rdsBarrel: 3.1Sights: Drift Adjustable White Bar-Dot Combat Rear Sight Pinned in Polymer Front SightAction: DAOFrame: Black PolymerSlide: Matte Stainless SteelLength: 5.47Width: .94Height: 4Weight: 15.8 oz (unloaded)Additional Features:The CM Series which debuted in spring 2011 with the CM9 takes the value priced features from Kahr's CW series (3.6 barrel 9 mm .40 S&W and .45 ACP models) and incorporates these features into a smaller 3 barrel package. The CM4043 has the same external dimensions as the PM4043 which make it ideal for concealed carry by licensed civilians and law enforcement personnel.The CM4043 is chambered in a .40 S&W caliber has a 3.1 barrel and an overall length of 5.47 with a height of 4.0. The pistol weighs in at 15.8 ounces plus 1.9 ounces for the stainless steel magazine. Differences between the CM models and PM models include: the CM4043 has a conventional rifled barrel instead of the match grade polygonal barrel on Kahr's PM series; the CM slide stop lever is MIM (metal-injection-molded) instead of machined; the CM series slide has fewer machining operations and uses simple roll marking instead of engraved markings; and finally the CM series are shipped with one magazine instead of two magazines.The CM40 boasts real sights which are drift adjustable in the rear and a pinned-in polymer front sight featuring a white bar-dot configuration. Finally the slide does lock back after firing the last round - another feature missing on