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  The downside to this powder is its temperature sensitive ball powder, which includes much larger Intense spreads than all stick powders.  So on account of that, this isn't a top choice for five hundred+ lawn lengthy selection shooting precision.  But for approximately 500 and underneath?  sensible choice! 

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Add to quotation Only show this person #fourteen · Jan 31, 2011 A2520 has someday recently transformed from being a Czech-manufactured powder to now remaining an American-manufactured powder. Accurate has only up to now couple of weeks up-to-date their Internet site. The present A2520 is not the very same powder that was within their final difficult protect load guideline.

@BBTC_MH Yeah, I emailed Hornady about the velocity threshold for fragmentation and they stated they can not reliably give me an answer simply because HP bullets usually are not reliably in the best way they fragment?

223/5.56mm. I thought of his published load data for being very hot, but he did reside in Arizona, so he would have had firsthand experience capturing at superior ambient temperatures.

!  I thought that was a Unusual answer.  I am going to need to seize One more just one at a decrease velocity and find out check here what it does. Do you know the way very low of the velocity they might continue to fragment at?

For many years before that, I had shot nothing but black powder rifles, and it was my customized to load a ball which was .005 inch smaller sized in comparison to the bore diameter of the rifle. by using a patch of about .015-.017 inch thick, most all my rifles would load easily and shoot very accurately. I By natural means tried out that mixture in the shotgun, nonetheless it wouldn't work, whatsoever. inside a rifle, Primarily a person with deep, Reduce rifling, there is a large amount of place for your patch to be crammed into. With The graceful barrel with the shotgun, there was nowhere for almost any excessive patch to go, so I had to utilize a Substantially smaller ball, a single .020 inch more compact compared to the bore. That translated into a ball of .600 inch for your .620 inch twenty gauge. that's been my normal ball for each one of these a long time, in each twenty gauge I've ever shot.

This versatile powder has exceptional flow features and is also properly in the threshold limit with the M14 units.

A theory which appears to be like great on paper but will not exercise in true lifetime is often a terrible theory. Reality is usually the ultimate arbiter.

I loaded up 20-five rounds While using the exact same powder charge (23.5 grains). I positioned fifteen from the freezer right away to have the temperature down. My wife was not a admirer of this Portion of the test. I retained it surrounded by ice packs in the cooler to maintain a small temperature though it absolutely was transported on the assortment.

There are not a lot of powders as functional as this, which will do sub MOA constantly throughout distinctive bodyweight bullets.

EDIT: Saw that you're capturing ten.3" barrel.  His was an eighteen" SPR type.  I might say the quantities you might be receiving for that major bullet away from a short barrel are respectable.  Keep in mind fragmentation will be compromised A lot quicker with that limited barrel and velocity reduction.