The 10mm Auto is a powerful and versatile semi-automatic pistol cartridge introduced in 1983. Its design was adopted and later produced by ammunition manufacturer FFV Norma AB of Åmotfors, Sweden.
10mm Auto jacketed flat point cartridge
The Bren Ten (left) and Smith & Wesson Model 610 Classic (right), 1983.
The 9×25mm Dillon is a pistol wildcat cartridge developed for use in USPSA/IPSC Open guns. The cartridge is made by necking down a 10mm Auto case to 9 mm.