Sometime in the past, I read a nice report about the "range" of velocities that were found in NATO 9mm ammo. It was quite staggering, to say the least. I will try and see if I can find this information and present it here. It was a well written article with good references.
When one reads the velocity rating for any brand and caliber of ammo, you must know how that was determined(i.e. barrel length, test barrel or production barrel, actual firearm or test barrel, etc.) in order to deduce the values as to your situation. A lot of variation exists in velocity rating from professional equipment and private equipment, but I feel the gap has closed down a lot in the recent years.
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Need DWM breechblock #21
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