2019年2月2日 · Use H4198 data for H4198 and IMR data for IMR 4198. Analysis of differences and using data for two powders would be like using doing an analysis of the differences between IMR 3031 and IMR 4064 and then using 3031 data for 4064.

2019年2月3日 · Short and sweet. I have a large supply of old IMR 4198. Anyone here have experience with it, and the new H4198? I have read differing things, that the new H4198 is hotter. Or, that the old stuff is hotter. What gives? I want to rely on load data I see for 4198 and I don't know what to believe.

2021年12月21日 · I've used H4198 in many calibers, both full power in some and reduced in many - .223, 30-30, 32 Special, 35 Remington, 300 Savage, 303 Savage, 308 Win, 358 Win, 444, 45-70, 218 Bee, even the .243 Win with 55 grain bullets. It can be useful in most rifles. I'd take as much as you can get.

2017年1月20日 · Gentlemen, I screwed up big time. The Hodgdon site only lists H4198 for the 300 savage. I transposed IMR-4895 for IMR-4198. This goof on my part really shows why it is important to check several reloading manuals to obtain a safe load for your firearm.

2022年12月6日 · I've used a lot of IMR-4198 over many years in cast loads for various .30 caliber cartridges and the .32-40, .38-55, .45-70 and maybe others, but I've never tried H4198. For those of you who have used both powders, are accuracy results of the two powders about the same with comparable charges?

2019年8月19日 · I am looking at bullets and powder for my custom barreled 14" T/C Contender. Nosler has a 123gn Varmageddon and using H4198 claiming it to be the most accurate in their test barrel. I have IMR4198 is there a difference? Are there heavier bullets that are good in the 7.62x39? I had a few 140gn custom bullets, but don't know who made them .

2024年7月15日 · I've used 4198 powder for years in a variety of "bottleneck" cases, with a 1/2 gr. of "Kapok" for reduced loading with excellent accuracy and "cheap plinking". My "go to" hunting loads in .45/70 and .444 use H4198 with IMR a close 2nd.

2012年3月17日 · H4198 for .308 WIN loads Hi guys, I have had a lot of success recently using H4198 16gns in my .30-30, behind a 165 gn cast bullet. I am thinking about doing the same for my .308 WIN. The Lyman manual lists the same bullet with 24 gn of IMR4198!

2018年5月14日 · I have not been having much luck with H4895 so I picked up some H4198 today. Lees load book shows 14-17 grains for a 170 cast . Nothing for a 165. I loaded up some at 15 grains but noticed case is not very full. I am using a BR2 match primer which is a little hotter but not much. Any danger in these or should I pull them? These are not gas checked and I didn't use a filler. I have fired one ...

2016年10月24日 · At one time IMR-4198 was slightly faster than H4198. Some claim that the current production stuff is the same burn rate. I don't know, but, if you are using IMR data and substituting Hodgdon powder you won't have any issues. I would not recommend using Hodgdon data and substituting IMR powder without reducing the load slightly.