primer detonate on me. So i was loading some 45 on my pro 1k. primers were Win LP. was on the priming stroke and "pop". Check my self and did not see any blood. Godd thing i make it a habit of wearing safety glasses everytime i reload. First time this has happened in close to 15 years of reloading Time to get a new primer feed. Wanna kill these ads? We can help!