Re: ARS Gas Pison Kit review part 1 of 3
At the present, They are sending me uppers in the following calibers 6.8 SPC, 7.62x39 and 5.45x39. I have a 6.5 Grendel, but its a rifle length system. All they are having me test is the carbine system. I will be calling them today so see about them...