It leaves a foul, oily looking, black residue in my pistol in just 100 rounds downrange. The problem is that CFE Pistol at only 20L psi is just plain NASTY. Fact is I'll be loading another 200 tonight or tomorrow. Using a maximum charge with either a Berry's 100 grain plated or a 90 grain XTP produced 100% perfect function, for well over 800 rounds now. Then because I had some CFE Pistol in my spare powder stash I decided to see if Hodgdon had data for the CFE in 380 and they did.
#Accurate 5 for 380 full
So weak that in about 1 in 7 rounds the case would end up jammed in the port and in about 1 in 25 round the case would actually eject straight up, flip a full rotation, then fall back into the breech opening and get loaded into the chamber with the extractor behind the case. Close observation with a maximum charge of AA #5 revealed that the issue wasn't feed related, it was weak ejection. However after purchasing several boxes of XTP bullets and loading with Accurate # 5 and Unique I didn't find any improvement in reliability. First off I thought that it might need a truncated cone profile to feed reliably. In fact the ONLY load that proved to be reliable was a Hornady SD load featuring their XTP bullet. Problem was that out of the box the reliability of the P290 was just awful with Remington UMC and American Eagle jacketed RN. Meant I could reduce the workload on my 19-3 for DA practice.
One of the reasons why I purchased the P290 was because it's a DA only semi with a very revolver like trigger stroke. I wasn't kidding when I stated my P290 requires a maximum energy load for reliable ejection.
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