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GUNS Magazine July 2012 Digital Edition - Page 32
J.B. WOOD A breakthrough in revolver design. the Charter .40 s&W PitbuLL Target with the CorBon load: 5 yards, double action and 2"! A J. b. Wood s most gun people will know, the problem with using auto-pistol cartridges in a revolver is that the cases have no rims. Way back in 1917, when more handguns were needed during World War I, using the “half-moon” clip solved this. Many years later in 1989, Smith & Wesson used a “full-moon” or “star” clip in their 10mm Model 610. The same system was used by S&W in 2003 for their Model 646, in .40 S&W. Back in 1980, they made the 9mm Model 547, and tried a “springring” in the ejector. Sometimes though, the strike of the firing pin flexed the spring, the cartridge moved and there was a misfire. So, they added a fixed stud inside the top of the frame to bear on the cartridge rim. Finally, they discontinued this model. Collectors note: There were only around 10,270 of these made. Now, the solution of the problem by Nick Ecker, Terry Rush and the design team at Charter Arms: They put five small spring-powered pieces of solid steel in the ejector, each of them making full contact with the rims of the cartridges in the cylinder. A beautiful and efficient system and, at the time this is written, a patent is pending. In matte stainless steel with a 2-1/4" barrel, my .40 S&W Pitbull is a handsome little beast. The rubber grip fully encloses the grip frame, and at the front are recesses for all three fingers of the average hand. As you would expect on a defensive revolver, the sights are non-adjustable. The front is nicely sloped, and the rear is an ample square notch. The ejector rod is fully recessed in a steel shroud beneath the barrel and its travel is sufficient for good ejection of the fired cases. The double-action trigger pull is smooth and easy, and the single-action pull is a crisp (and consistent!) 2 pounds, 10 ounces on my Lyman Electronic Scale. The face of well-shaped trigger is smooth, with no annoying vertical ridges. All Charter revolvers have a transfer-bar firing system. Thus, if the hammer is down and someone is clumsy enough to drop it, it can’t go off. A lot of manufacturers use this system now, but Charter gets the credit for being the first modern maker to bring back Andrew Fyrberg’s design of 1890. When they did this in 1964, they wisely separated the functions of the transfer bar and the double-action lever. In case you have always wondered, a transfer-bar system has a hammer with a recessed face that cannot touch the firing pin. When the trigger is all the way to the rear, a part is raised to fill the recess. The hammer hits that part and it hits the firing pin. Hence, the term “transfer bar.” Another mechanical The Carter Arms Pitbull functioned flawlessly with rimless .40 S&W ammo without clips due to its welldesigned extractor. 32 W W W. G U N S M A G A Z I N E . C O M • J U LY 2 0 1 2