My P226 E2 came with the wrong mags from the factory, .40 instead of 9mm. My LGS switched them out for me, and I haven't had a problem with it since.
Shooting guns in the following calibers: .22lr, 38spl, 9x19mm, .357 magnum, .45ACP, 5.7x28mm, 5.56x45mm, 6.8SPC, .308 Winchester, 12 Gauge
Rimfire Club Member #702
Black Rifle Club Member #702