One of the more common derringers found in the "Old West" were the Sharps Derringers. Founded in 1980, American Derringer specializes in making high-quality stainless-steel derringers and small pistols. Great Western made about 22000 revolvers and 3300 derringers. Derringers such as the older Remington Model 95 were chambered for .41 Rimfire. They are four-barrel, single-action pepperbox derringers with a revolving firing pin. D-101 & DM-101 are hammerless, double-action derringers with half-trigger-guards and break actions. Rimfire derringers until 1870, when it was acquired by Colt's Patent Firearms Manufacturing Company. Bond Arms Inc. is an American firearms manufacturer located in Granbury, Texas which makes derringers. They are four-barrel, single-action derringers with a revolving firing pin. Today, double barrel derringers are the norm. Bond Arms is the largest manufacturer of derringers in the firearms industry. However, both single and four barrel derringers have also been made. Bond Arms Derringers are equipped with a trigger guard, except the Cowboy Defender. Approximately 100,000 of these derringers were made between 1859 and 1874.