Dennis,
First off, Im glad you are ok.
2nd, 7 something grains of LS with a 180 cast lead bullet as you know is not a real high pressure load. You should have been fine. No aspersions being cast on your reloading abilities but sometimes stuff happens-I would pull remaining loads. Maybe there was a double charge?
Were your loads in new brass or previously fired?
One thing Ive done on my G20 is to go to a 6" KKM barrel. It gives me around 100-150 more fps than the factory Glock barrel depending on bullet and load. This is with factory ammo and my handloads. So without using higher pressure loads, I get more velocity which is why some guys jack up their reloads. Again, your stated load seems reasonable and Im not inferring your load was intentionally a "hot" load. Let us know if you find anything out as to what may have caused this.
Regards,
Manny
