2009年9月11日 · HP38 is not super sensitive, just more sensitive to temperature changes than some other, newer powders. Pressures and velocities rise and fall with temperature, but if you …

2019年8月16日 · This with mostly 147 grain low power factor stuff (130ish PF) I shoot mostly in pistols but have just recently bought a PCC. I see most people don’t run the HP38. What …

2023年11月28日 · First I have many 8# jugs of HP38 and am trying to be economical before buying more powder. I am looking to make very light loads for Steel Challenge PCC, 115gr …

2015年9月7日 · When I use W231 (aka: HP38) powder in the 9mm, I've gotten the best results from a max charge for the bullet weight (115-124 gr). I have used AA #7 and Herco and gotten …

2010年1月25日 · Hodgdon and Winchester share the same powder from St Marks in Florida. HP38 and W231 are the exact same powder, called SMP #231. H414 is also the same exact …

2014年10月24日 · Original post from 2014. I am sure the OP has things sorted out by now. HP38/231 work well in 9mm and 380. It has been my main go to powder for 9mm with 115gr …

2023年5月2日 · This took my 4.5-4.6grains of hp38/sport pistol/n320, and made it slightly sub major. I have access to the 3 of those powders currently and am quite familiar with them. I …

2015年9月12日 · For the past 15 years or so I have been reloading using Clays for my 45 ACP Government model 1911s. Have been quite satisfied using 4.3 grains with Billy Bullets 200 …

2013年8月3日 · HP38 and 231 are the same powder so Lyman lists 3.5-4.1 for TMJ @ 1.115. Thanks for the intel Dirty Rod. I have Nosler and Lee reloading manuals and neither have …

2014年2月7日 · What is the max overall length your chamber and mags can take. Both those powders are perfectly fine for 40 major depending on the OAL. Wst will probably be a little too …