06-15-2018, 08:59 PM
Here are the results from measuring my 7.62X39 brass.
CBC head .444 +or- .001. Rim thickness .055, one case .053 and one .054. (Recorded 7 cases checked many more very consistent)
FC. head. .444 +or- .0005. Rim thickness. .055, +or- .001 but had one .053 and one .058 (measured 9 cases)
IMI head .445 +or- .001 (measured 8 cases one .448 and one .443). Rim thickness .055 one case was -.001
I had one Winchester case. head .443 Rim thickness .051
CBC head .444 +or- .001. Rim thickness .055, one case .053 and one .054. (Recorded 7 cases checked many more very consistent)
FC. head. .444 +or- .0005. Rim thickness. .055, +or- .001 but had one .053 and one .058 (measured 9 cases)
IMI head .445 +or- .001 (measured 8 cases one .448 and one .443). Rim thickness .055 one case was -.001
I had one Winchester case. head .443 Rim thickness .051

