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Old 04-15-2012, 11:03 AM
VMFn542bob VMFn542bob is offline
Join Date: Oct 2009
Location: Arizona
Posts: 1,066
Default A MANN Accuracy Device for the 7.62 x 54R

The 7.62◊54mmR is still in use by the Russian military but the "R" in the modern official C.I.P. (Permanent International Commission for Firearms Testing) designation (7.62 ◊ 54 R) stands for Rimmed, in line with standard C.I.P. designations.
This is one of many MANN barrels that will probably never be turned over the the CMP. A MANN barrel is a testing machine with many uses. I believe it is highly educational to see how MANN barrels are used so I will contunue to post relevant links on this subject.
Temperature Compensated Loading Curves for the 7.62 x 54R Armor Piercing Incendiary (API) Round
The purpose of this testing was to learn which variables were statistically significant in controlling the velocity of the 7.62 x 54R API round.
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