Well... I just chrono'd some loads with my G34, Power Pistol, WSP, 1.130" COL and 124gr Berrys bullets. I'm very suprised at the volocities I'm getting out the of the Glock compared to my Sig and M&P. Longer barrel makes a huge difference.
6.0gr PP 1211 ft/s ave, 150 PF
5.8gr PP 1170 ft/s ave, 145 PF
5.6gr PP 1132 ft/s ave, 140 PF
6.0gr PP 1211 ft/s ave, 150 PF
5.8gr PP 1170 ft/s ave, 145 PF
5.6gr PP 1132 ft/s ave, 140 PF