H&K HK417 Family
The H&K HK417 is a select fire battle rifle designed and manufactured by Heckler & Koch, it fires 7.62x51 NATO. It is a larger caliber upscaled version of the HK416. It features a lower rate of fire and smaller magazines in comparison to the 5.56 HK416 Variant.
The Commonwealth Joint Task Force has received a number of HK417 rifles from the UKSF and the Australian Army.
H&K HK417 20" with tan furniture, held by a member of CJTF in Afghanistan.
The HK417 has a number of different barrel lengths available ranging from 12 inches to 20 inches. The 12" and 13" variants are considered battle rifles by the Commonwealth Joint Task Force as such they are allowed to be used by Riflemen, while the 16.5 and 20" are allowed to be used by Marksmen.
Similar to the HK416 the shorter or longer barrels have an effect on the accuracy and velocity of the round. Mk316 is optimised for 20" barrels while a round such as the Mk319 Mod 0 is optimised for shorter barrels.