cz777 Sergeant Full Member Minuteman Mar 27, 2008 193 0 May 21, 2010 #1 May 21, 2010 #1 between 16'' and 20'' barrel length on the ave. different fps is 70 fps with 168 grain match loads . other tests by others the same thing shows up ...ok has anybody here done the same ? what can account for this ? besides cheating the tests?
between 16'' and 20'' barrel length on the ave. different fps is 70 fps with 168 grain match loads . other tests by others the same thing shows up ...ok has anybody here done the same ? what can account for this ? besides cheating the tests?
