Pistol Muzzle Flip Review - Several Popular 9mm Pistols in Slow Motion

Video of several pistols in slow motion at various matches I've shot. I wanted to see what each pistol looks like at 30% speed to observe muzzle flip. Pistols shown:

Smith & Wesson M&P9 5" M2.0
Glock 34 Gen 4
CZ SP-01 Shadow Target Custom
Springfield XDm 5.25
Sig Sauer P320 Full Size
Walther PPQ M2 5"
Sig Sauer P226 Legion

All pistols were shot using Freedom Munitions 147 grain ammo in IDPA or USPSA Competition.