Any experience with UMC 9mm 115 JHPs?

I have chrono'd the Rem-UMC and Federal Champion out of 4 guns, a 5906 (4") a 3913 (3.5") a Sig 290 (3") and a Kahr CM9 (3") ...and done a side by side out of 2 of them

They essentially are the same with the UMC being slightly faster (10 to 20 fps) (F=1013 v R=1030 in the Sig and in the 5906 F= 1092 & R=1101)

Blazer Brass and Wolf were actually slightly hotter.
 
I have only had a problem with then in a Ruger SR9C. All other 9mm's have loved them. The SR9C did go back to factory and upon return fed these a lot better but still had ocasional FTL. So for range ammo it's great.
 
I have a Glock 26 and these have proven very accurate.Realizing that water is not the best medium for expansion,I did find that the expansion was very good with the jacket staying in place.
 

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