The Colt Automatic Rifle-15 or CAR-15 is a family of M16 rifle–based firearms marketed by Colt in the 1960s and early 1970s. However, the term "CAR-15" is most commonly associated with the Colt Commando (AKA: XM177); these select-fire carbines have ultrashort 10.5-inch (270 mm) and 11.5-inch (290 mm) barrels with over-sized flash suppressors.
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Select-fire in the context of CETME Model 58
The CETME Model 58 is a stamped-steel, select-fire battle rifle produced by the Spanish armaments manufacturer Centro de Estudios Técnicos de Materiales Especiales (CETME). The Model 58 used a 20-round box magazine and was chambered for the 7.62×51mm NATO round (although originally designed for the 7.92×41mm CETME cartridge and later for the reduced power Spanish 7.62×51mm cartridge). The CETME 58 would become the foundation of the widely deployed German Heckler & Koch G3 battle rifle. Semi-automatic variants were also produced for the civilian market.
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