I've had no trouble with them...
G22, G27, G35, Beretta 92FS/OD, USP45-Tactical, Desert Eagle .50, HK P7-PSP
Remington 700P, Colt 6920, Kimber Ultra CDP II, Walther P-38 AC42, S&W 442
Remember: "Heavy is Good, Heavy is Reliable. Plus, If It Doesn't Work You Can Always Hit Them with It."