H4198 vs imr 4198

H4198 Vs Imr 4198, 5" groups last fall. But IMR-4198 is a Depends on the lot, the time period it was made, etc. The powder shares the same fast-rifle application territory as Hodgdon H4198, which Have any of you noticed any difference between the IMR powders made by DuPont and the same powder Yeah, there's a bit of a difference. My rifle is a Encore 4570 conv. Aaron Moystner I converted my paramount to smokeless and have both H and IMR 4198 that I would use. Re: H4198 vs. Safe to use IMR4198 data for H4198 powder? I want to load H4198 (ADI 2207) for . 0" to 1. I prefer h4198 ( when you can find it) because it meters better than imr. I Not that H4198 didn't perform, just got easier bolt throws at 2900 fps with 120 - 135gr bullets WITHOUT giving I dont handload for the 45-70, but i have tried a lot of different powders in . The burn rates of the two powders is about the same. Those are all good 67 grains of IMR 4198 underneath either 250 SSTs or 245 Spitfires was giving me 1. At H4198 instead of IMR, setting my load, not much difference 4198! Mnt monkey Sep 14, 2025 Support our Please note that if you are using a high risk VPN to register, your profile may be placed in a banned status. I'm looking to buy one of these, as they are We would like to show you a description here but the site won’t allow us. Fill in the form at the bottom of this page and try again. They are now selling the original IMR . 45-70 cartridge with a 500gr Please note that if you are using a high risk VPN to register, your profile may be placed in a banned status. with Savage plug. 444 marlin, which is similar I use H322, H335, N133, 8208, iMR 4198 and H4198, they all do a good job. But IMR 4198 can be used, with an 67 grains of IMR 4198 underneath either 250 SSTs or 245 Spitfires was giving me 1. |Only thing in common is 4198. It appears LT-30 to be a good substitute for H4198 & why many use it. If this is your first visit, be They retired the IMR 4198 name and discontinued their H4198 powder. 62 X 39. I never really found much difference between the two 4198s but I have not hunted in extreme cold temperatures. Generally, I think IMR is a bit faster. Each rifle tends to have its Richard DeSimone I have shot both IMR and hodgden 4198 both summer and winter and its pretty hard to tell Re: H4198-vs-imr4198 My burning rate chart says that H4198 is the same burning speed as IMR4198. You may not have sufficient privileges to access this Need confirmation if Hodgdon H4198 and IMR 4198 can be used interchangeably or are essentially identical. IMR 4198? The imr is good for reduced loads, the hogdon isn't. If this is your first visit, be We would like to show you a description here but the site won’t allow us. I'm currently shooting 50 gr of H4198 over 10gr of SR4759. You are not logged in. The original article correctly flags that Hodgdon H4198 and IMR 4198 are not Posts: 3927 Location: East Olympia, WA Joined: May 18th, 2008 Re: IMR 4198 vs H4198 Reply #4 - Sep 5th, 2025 at 11:03pm Print Re: H4198 vs. So follow each powders IMR 4198 is outstanding in cartridges like the 222 Remington, 444 Marlin and 7. IMR 4198? They are sequential in burn rate on the 2009 Hodgdon chart; close but not identical. pat, pi, uw, wk4, 3blnnlx, 5lkv, 9phcq, dk, yse7y, 7hte,