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 Colt Delta Elite is a modified series 80 M1911 pistol chambered for the 10mm Auto cartridge. It was first introduced in 1987 by the Colt's Manufacturing Company.
Colt Delta Elite
Colt Delta Elite O2020 (First Generation 1987–2005)
Colt Delta Elite O2020 (Second Generation 2009–2015)
Colt Delta Elite O2020XE (Second Generation 2016-present)