USP40C - over 6K rounds in 2 1/2 years. Over 4K of those were reloads, some nasty-looking brass with only 2 FTFs. Both were ammo related based on inspecting the stuck round. The USP40C digests all factory I've tried including, Rem Golden Sabers, Speer Gold Dots and Triton QSs, along with assorted practice ammo: Speer Lawman, PMC, Magtech, UMC, and even 3-D Lead.
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