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Even while in the early days, DuPont focused on innovation – providing “any amount of powder pretty much as good or a lot better than any accessible”. IMR regularly concentrates on innovation these days. Initially a line of rifle powders the IMR manufacturer has actually been expanded to incorporate powders for use in handgun, shotshell and muzzleloaders.
The Lymans 49th edition makes use of the exact bullet, a Hornady XTP for their data. When I loaded those, the IMR4227 was the one magnum powder I had available. I have given that added Win296 to my stash. If I load any more While using the 4227 I will again from the demand a tad.
So I have some IMR4227 available, bought four months ago. I can't convey to if exactly where it was made, not less than I didn't see any indicator over the label.
In no way used IMR 4227, one foundation while in the .44 mag but I listen to that it's less muzzle flash than H110 or W296 double foundation with N.G. at near the similar velocities. A store in close proximity to our vacation route upcoming 7 days has some that I might get. I have some 270 gr. Speer bullets and plan to make use of the IMR4227 with People.
To the up aspect, firing the three hundred BLK from the precision rifle is usually a pleasure. The gun doesn’t shift, There is certainly even significantly less recoil than an AR since you don’t hold the mass of your bolt provider reciprocating from the rifle.
Can not help with your application but it really's my drop by powder in 480 Ruger, and am using it in mid-amount 454 Casull loads, equally with cast bullets.
Ive utilised a lot of each powders and located very little differnce imr 4227 load data while in the burning charge. They have been definaltely various however as accuracy would alter dramaticaly sometimes.
OP I should request why you'll need that velocity? I'd Feel accuracy would be an improved intention than an additional 100fps. By way of example my 223 loads are somewhat slow but @100 yards I've four pictures touching. My buddies would give me a tough time in the course of chrono but shut up every time they saw my targets.
I have imr 4227 load data discovered the 5744 loads pretty dependable above yhe years. I feel I began applying it the primary year the things was accessible imr 4227 powder and it's been an excellent “drop by” powder for me.
270W or .308W to frames older than 'ninety nine, even so the Handi is manufacturing unit readily available in .500S&W which operates at pressures near to that on the Ruger load amount of the .45-70, based on the source of data, see Hodgdon's Once-a-year handbook for the stress comparison.
I had some issues with that powder and 158 gr bullets, with reloads spraying unburned powder to the point of locking up the cylinder of my GP100. See this thread and particularly Observe Iowegan’s replies:
is clean up, regular and an excellent powder for nearly any handgun load. Other Critical Information and facts: Tend not to exceed the loads displayed in the reloaders tutorial.
I've under no circumstances used it within the .357 but I accustomed to utilize it while in the .forty four Mag. I Stop utilizing it since it was so dirty, possibly the dirtiest powder I have ever applied, worse than previous formula Unique.