I spent my evening pulling 90 rounds of Zero’s 185gr jhp 45acp. I loaded them with 4grs of HP-38, according to the Lyman reloading book that wasn’t even the starting load which is 3.5grs. My WC wouldn’t even cycle them. So I checked the Hodgdon website and their starting load for 185gr is 5.0grs. To me that’s a big difference. I guess that will teach me not to load so many rounds before test firing.