The ammo used is FACTORY Speer Lawman 124grain FMJ training ammo. Some of the P229s also had issues with the duty issued FACTORY Speer Gold Dot 124 grain. Yet there were never any issues with this same "training" ammo with the previous SIG P228s. The current Glock 19 is also having zero problems with the ammo.
If anyone is wondering about the guns they were the Enhanced Elite P229's with external extractor. Front strap checkering, night sights, SRT trigger, beaver tail, FCS, etc. The issued guns were no different then those sold on the commercial market. The trigger pull was not altered or changed either. They had the standard 10LB/4.5LB pull.