Hey guys, so I was running my original E series SW1911 today and the more I shot, it would sometimes fail to return to battery. The gun is nearing the 3,000 round mark and I've read various recommendations but most say around 2,000-3,000 is the life span for a standard recoil spring. I believe this is the cause because they all failed the exact same way (started up feed ramp and stopped about halfway in) but I want to see if someone can confirm. Also, the frequency seemed to increase the dirtier the gun became. Gun has not experienced this type of failure until today and it also is the first time not being cleaned between range sessions but still was oiled.