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Old October 14, 2012, 10:37 PM   #25
Superhouse 15
Senior Member
Join Date: September 13, 2007
Location: Sunny Florida
Posts: 844
Back in college we did some chronograph testing with a Camp 45 and a PC9 Ruger and there wasn't much boost in velocity with some loads, some got quite an improvement, and one or two were actually slower from the carbine barrel. I seem to remember that the then new 147gr 9mm did much worse and that not all +p loads got a boost. Choose your ammo carefully, it may not perform like you expect.
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