Sig P226R Brand New To Me...Within 100 Rounds Extractor fell out at range causing Double feed jam rendering the gun useless traded it at a loss for a Glock 26OD.
XD45 Had at least 4 Failure to Feed's in the first 100 rounds..Sold It.
Kel Tec P3AT Jammed every other shot..Paper Weight.
Dan Wesson CBOB 1911 would fail at least once every 100 rounds a FTF a FTE etc even after trips to factory.
Glock 30SF had several FTRB fails for me brand new in 200 rounds traded it in on a M&P45 I am testing now at my local range.
thats about it.