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.40 170 gr Precision Black Bullets


Erik T

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Hi folks,

I'm trying some .40 170 gr Precision bullets and was wondering if the following setup will be OK for a starting load:

4.8 grains Universal

1.140 OAL

Winchester small pistol primers

R-P Brass.

Any ideas as to what kind of performance I can expect? The bullets will be used for target practice in a Springfield XDM, 4.5" barrel.

What about maximum loads?

Thanks,

Erik

Edited by Erik T
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I dont care for Universal in 40. Unless that is all you have. I got huge standard deviations with it. It is also slow burning. But if thats what you have it's what you have. Based on laser cast data I would expect 4.5 grs to put you at about 170 pf maybe less as Precisions run a little faster than cast. If you are practicing for minor or IDPA I would drop to 4 grs and see if the gun cycles and throws the brass reliably.

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  • 3 weeks later...

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