Variants
The HK417 is currently available with three different barrel lengths (all in 7.62x51mm NATO):
- HK417 12" 'Assaulter' Model – 12" standard barrel
- HK417 16" 'Recce' or 'Recon' Model – 16" standard and accurized barrels
- HK417 20" 'Sniper' Model – 20" accurized barrel
Accurized barrels provide 1 MOA accuracy (with match grade ammunition). The barrels are able to be changed in under two minutes with simple tools. All HK417 barrels are cold hammer forged and chrome-lined and utilize a conventional lands and grooves bore profile with a 279.4 mm (1 in 11 in) twist rate. They are designed to function reliably with bullet weights ranging from less than 9.3 to 11.34 g (147 to 175 grains) and are threaded for flash hiders, muzzle compensators, and for sound suppressor attachment.
Read more about this topic: Heckler & Koch HK417
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