In 2007, Colt’s M4 finished last in an “ extreme dust test ” that pitted the rifle against models made by rival manufacturers. Despite the poor showing, Army leaders said they were still ...

A Colt Mark IV Government Model 45 caliber handgun pictured with clip on June 15. Firearms maker Colt filed for chapter 11 bankruptcy-court protection in June. Photo: European Pressphoto Agency ...

Colt submitted the revolver to the army for testing, but it was rejected. The army wanted a more powerful cartridge and a more robust revolver than an open-top.

Česká zbrojovka Group said it will acquire all of Colt's business for $220 million and about 1.1 million new shares of the Czech firm's stock.

Czech gunmaker Colt CZ Group has made a cash-and-stock merger offer to Vista Outdoor , valuing the U.S. sporting and outdoor goods group's shares at a 16% premium.