Quote:
Originally Posted by johndallman
I guess it's that different ammo and rifling: a significant improvement!
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The Swiss do use a faster twist barrel than the early M-16 rifles and GP90 is toward the heavier end of the spectrum.
Swiss GP90 should probably count as "match" ammo too.
Terminal effects are pretty poor though.
http://ammo.ar15.com/project/Ballist...est3/Test3.htm