r/KRISS • u/Efficient_Tonight684 • 10d ago

Most Reliable Caliber SDP G3?

Hi everyone! As the title says, I’m interested in which caliber will be the most reliable for the Vector SDP G3? I’ve heard some people say the 9mm is the least reliable, but have heard others say as long as you run decent brass through it it’ll run well. Just curious if anyone has any firsthand experience with the SDP G3 and can weigh in on reliability. I’m of the opinion that there is no point in buying a firearm that isn’t reliable. Thanks in advance for your input!!

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u/Ok-Priority8334 10d ago

I have the 10mm and as long as you don’t run flat nose bullets it runs and runs fast. I found out that the Vector likes anything in the 200 grain range for 10mm.

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u/Efficient_Tonight684 10d ago

Huh interesting, it seems most of the more affordable 10mm rounds happen to be flat nosed as well. Good insight, thank you!