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Based on this site, it looks like the HK417 will be produced at a 1:11 twist rate with a lands/groove rifling.
http://www.heckler-koch.de/HKWebText/detailProd/1928/345/4/19
My question is what would the optimal barrel length be for 168/175 grain ammo? Available barrel lengths are 12"/16"/20".
http://www.heckler-koch.de/HKWebText/detailProd/1928/345/4/19
My question is what would the optimal barrel length be for 168/175 grain ammo? Available barrel lengths are 12"/16"/20".