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What caliber for shooting sports?

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Chris Z:
Physics lesson aside, I can tell you that has been my experience with using heavier bullets.

JimP:
You measure the velocity on those?

Chris Z:
Average Velocity is 935 FPS. This brings in a power factor of 168.

These loads have been across the chrono as several large USPSA matches, and hit this power factor every time  ;D

Toster:

--- Quote from: David Hineline on November 30, 2009, 11:17:46 PM ---Going with 40cal in a single stack 1911 will hurt you by one round of capacity in IDPA, I would suggest if you want to shoot 40 you go with a high cap gun 1911 or other.

--- End quote ---

So in IDPA what are you limited to for a single stack gun?  Do they make a 10 round mag in a .40 1911, to shoot in a limited 10 class?  Those are all the things I am trying to figure out....what classes would I be able to shoot in with a .40 1911 type of gun?

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