The C6A1 FLEX is a Canadian 7.62x51mm NATO

general-purpose machine gun A general-purpose machine gun (GPMG) is an air-cooled, usually belt-fed machine gun that can be adapted flexibly to various tactical roles for light and medium machine guns. A GPMG typically features a quick-change barrel design calibered for v ...

and an improved version of the earlier C6 machine gun, the Canadian version of the

FN MAG The FN MAG is a Belgian 7.62 mm general-purpose machine gun, designed in the early 1950s at Fabrique Nationale (FN) by Ernest Vervier. It has been used by more than 80 countries and it has been made under licence in several countries, in ...

. The C6A1 FLEX began to replace the C6 in Canadian military service from September 2018 onwards, with final deliveries taking place in June 2019. The C6A1 is manufactured by Colt Canada, with the company having earlier provided support for the original C6 fleet, and is the first support machine gun to have been manufactured in Canada since the Second World War. Improvements include a polymer buttstock which is more durable and easier to decontaminate in case of a nuclear, chemical or biological attack than the original wooden stock, M1913

picatinny rail The Picatinny rail ( or ), or Pic rail for short, also known as a MIL-STD-1913 rail, 1913 rail or STANAG 2324 rail (cancelled), is a military standard rail interface system that provides a mounting platform for firearm accessories. It was ...

s for the attachment of pointing devices and optical sighting systems, and an adjustable gas tube regulator to control the rate of fire.

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7.62×51mm NATO machine guns Machine guns of Canada General-purpose machine guns {{Machinegun-stub