Colt ACR: A Colt AR you never heard about

The Colt ACR was Colt’s entrant for the Advanced Combat Rifle program. It was quite simply, a progressive improvement upon their existing M16A2 service rifle, but designed to fire a new duplex

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Calico M-900S Carbine: A blast from the past

The Calico M-900S Carbine is part of a complete weapon system that contains pistols, submachine guns, and carbines, all of which operate upon the same principles. They are unusual weapons, principally because

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