Just recieved a Walther P1 last week from www.aimsurplus.com, and took it out to the range on friday to shoot. Absolutely loved it, one of the more enjoyable handguns i've ever fired. Used Remington 124gr. FMJ. My question though involves what type of ammunition to use for it. The pistol does not have the "hex pin" reinforcing insert that i've been reading about. Will this affect how long it will last me? I don't mind using lighter loads, like 115 gr. or 124 gr, but my question is even with these loadings, will the frame still crack eventually? I'm just trying to see if these instances were from people using very hot loads that the pistol can't handle, or if there is a genuine design flaw.