What Does IMR 4895 Mean?
What Does IMR 4895 Mean?
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I understand, from perusing load info tables and personal practical experience, that Hodgdon Varget is a really multipurpose rifle powder. I assumed It will be interesting to doc how perfectly it performs in the preferred rifle cartridges.
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The FTX bullet / LVR powder mix offers a lift to the downrange efficiency with the .thirty-thirty Winchester, most significantly in retained Vitality at MPBR. This is because of the upper ballistic coefficient of your FTX bullet.
The powder generating the very best velocity is listed first less than Each individual caliber. It transpires that Varget generates the very best MV of all powders outlined in the Hodgdon reloading desk Together with the 55 grain Speer soft issue bullet.
Hodgdon CFE223 is a comparatively new powder and I haven't attempted it in the .308 Gain. Since the table demonstrates, Varget and H4895 drop only incrementally wanting CFE223. Loading any of these powders with a hundred and fifty grain bullets provides seem effectiveness.
The dimensions, weight and handling features of the rifle are ideal for my way of IMR 4895 stalking whitetails in brush, woods and compact fields.
A lot more telling is my practical experience utilizing it in 8x57mm Mauser. I have a vintage Mauser for which I planned to do the job up some mild loads, but I had problems with inconsistent effectiveness After i went greater than a few to 4 p.c down below optimum loads for the initial 3 powders I tried.
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Be aware the file.p.s. for each grain quantities, which exhibit that H4895 and Varget are the two noticeably far more efficient at building velocity through the powder demand than is Superformance. It is a sample that is certainly typical from imr 4895 powder in this article onward.
Checking out the quantities and ratios, I see no impressive differences involving Varget and H4895 In this instance. Both of those are large accomplishing loads Within this cartridge/bullet blend. The MPBR figures suggest that the fifty five grain, .223 Remington load is usually a 230 yard varmint round.
I utilized the on-line Hodgdon Reloading Info Middle to get greatest powder prices and muzzle velocities for every load, and various on-line tools to calculate other ballistic information.
Is there something that distinguishes both of these cartridges from one another? Indeed, they confront in opposite Instructions. A one hundred twenty grain bullet maxes out the capacity of the .
What I made a decision to do is often a double comparison research. I picked 10 of the preferred non-magnum rifle cartridges, from .224 to .308 caliber, Along with the intent of comparing load and ballistic details for Varget, H4895 and what ever IMR 4895 powder gave the best muzzle velocity with a particular bullet well matched to each cartridge.