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Old 09-27-2013, 21:11   #16
Senior Member
Join Date: Apr 2001
Location: McHenry, IL
Posts: 8,542
I've still got some old Norma, and both my G20 & G29 love it !
If that's not hot ammo, NOTHING is !
Glocks will run on ammo that will take a 1911 in 10MM apart.
1911's aren't designed for more than about 21K psi.
The old Norma stuff was in the 40K psi ballpark !
1911's in 10MM are the primary reason that SAAMI lowered the pressures. Spec used to be around 44K psi average, like the true .357, .41 & .44 Magnums used to be.
And as a personal note, Glocks are happiest with higher end loads. They tend to be more accurate with hotter ammo.

uncle albert
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