inconsistent, substandard production. Had it not been for Colt's Patent Fire Arms Manufacturing Company making the unexpected decision in 1987 to bring out their Delta Elite pistol (a 10mm Auto version of the M1911) and later, the FBI's adoption of the caliber in 1989, the cartridge might have sunk into obsolescence, becoming an obscure footnote in firearms history. Due to media exposure in the television series Miami Vice, where one of the lead protagonists had used the pistol as his primary signature weapon, demand for the Bren Ten increased after manufacturing ceased. In the succeeding five years, prices on the Standard Model rose to in excess of U.S. $1,400, and original magazines were selling for over U.S. $150. The Federal Bureau of Investigation briefly field-tested the 10mm Auto using a M1911 pistol and a Thompson Model 1928 submachine gun before adopting the Smith & Wesson Model 1076 in 1990; a short-barreled version of the Model 1026 with its slide-mounted decock/firing pin block safety supplanted by only a frame-mounted decocker. A contract was signed with Heckler & Koch to produce a quantity of the specialized MP5 utilizing the cartridge, designated MP5/10 for use by their Hostage Rescue Team and Special Weapons and Tactics Teams. Since 1994, both units still field the weapon and caliber to this day. During testing of the caliber in 1988, it was decided that the full-power commercial load of the 10mm Auto was the best available semi-automatic pistol cartridge for law enforcement usage, but it produced excessive recoil for most agents. Thereafter, experiments were carried out, and a specification for reduced-recoil ammunition was created. The requirement was later submitted to Federal Premium Ammunition for production and further review. This became known as the "10mm Lite", or "10mm FBI" load, remaining common from various manufacturers today. With some pistol reliability problems increasing in this lighter load, Smith & Wesson observed that a version of the 10mm case reduced to 22 millimeters in length from the original 25 mm could be made with the retained performance parameters of the "10mm Lite". This altered cartridge was named the .40 Smith & Wesson. The shorter case allowed use in pistols designed with similar dimensions to those chambered in 9×19mm Parabellum, with the advantage that smaller-handed shooters could now have smaller-frame semi-automatic handguns with near—or in some cases, exact—10mm performance. Colloquially called the "Forty Cal" and other synonyms, this innovation since became