To learn about 1/9 twist rifle myths    • 1:9 twist Ar15 accuracy proven with ...  
Watch this before you buy a 1:7 twist Ar15. There is a debate as to whether a 1:7 twist Ar15 can accurately and precisely shoot 55 grain bullets. Does it over stabilize these smaller bullets or can they be highly accurate even out to distances of over 500 yards. Today, I will get out to the range and find out.