your stock barrel is around 6.08mm
A 6.03mm is ideal and less chance of jamming. I had some jams on a 6.01mm on 363mm barrel lengths.
If you run short barrels then a 6.01mm would probably work well. Pistols really perform on 6.01mm barrels.
Imagine a jam on full auto...
Last edited by SuperHog; November 15th, 2011 at 16:52..