Bear in mind these were being all for your 22” barrel on our test rifle, plus your mileage may well differ. We also just picked Safe and sound masses for every powder, and didn’t do load growth to discover what velocities for every powder would be at max pressures.
It might be good to determine these checks recurring but shoot hundreds in mid summer months warmth at ambient temps and all over again from the Wintertime at ambient temps. This tends to be a little bit far more exact and a true test about heating and freezing the ammo.
As I are aware of it, H4350 and Varget are literally created by an Australian company. They are really sold under another identify there (I feel AR2209 and AR2208), but I’m undecided should they’re 100% similar.
So I decided to check 4 various powders which might be great For almost all of calibers Utilized in prolonged-range, PRS-design matches:
3) Enter a neighborhood rifle Competitiveness – While you may not location competitively your first match, that isn’t The purpose. I promise you’ll study A TON in your initial Competitiveness. I confident did. In addition, it offers you an opportunity to watch other people who find themselves genuinely passionate about the sport and find out how they’re running their equipment … and perhaps even get to test it out before you sink dollars into it.
I loaded each circumstance at what I knew could well be a mild to medium load, so that you can stay away from force spikes. None of the hundreds had been “tuned” for the specific rifle we were tests with.
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They’re my Most important audience, and I attempt to form the articles for them, and perhaps include a couple nuggets in there for the more Highly developed group (like With this post, I identified the non-linear romance and brought up the query about primer balance). Even though I do endeavor to use audio screening methods that might fulfill most Experienced scientists, ultimately, I’m not looking to compose whitepapers that could only be recognized from the engineers amid us. That’s fun for me, nonetheless it just restrictions the worth you incorporate into the shooting Group as a whole. So I usually attempt to present the outcome in a way even a novice could understand. Hope that makes sense. Sorry for your lengthy-winded response. Your position is an efficient one particular, and you naturally put thought into it … so I just wanted to attempt to assist you have an understanding of my view After i’m producing this sort of content.
That’s terrific news for people shooters struggling to uncover Varget in inventory! I wouldn’t be reluctant finding some up and producing a load tomorrow. In the time when it looks like excellent powders are generally “Out of Inventory, No Backorder,” it’s excellent to possess a couple of additional solutions!
That’s as the “Hodgdon’s Excessive powders conduct just as very well at one hundred twenty five° since they do at 0°. Applying an unique extrusion procedure and exacting top quality requirements, Hodgdon has designed a line of propellants that performs far better at hot and cold temperatures than another powder out there.”
And dang, that Harold Vaughn Rifle Accuracy Specifics is an efficient reserve, isn’t it?! I purchased quite a few click here books like that all concurrently, and I had been slowly building my way through all of them … but that one is one area Unique. I desire I could’ve collaborated or not less than experienced a great discussion with Mr.
So it’s hard to attract substantial conclusions from the experiments without These. Consider If your all the pictures With this article disappeared. Truly the “meat” of the effects are in my graphics, so that will erode Considerably of the advantage of my short article. I made an effort to come across the first investigation paper to no avail.
If we would have integrated powders like Alliant Reloader and Many others, that happen to be notorious for big swings with temperature … you'll see much larger figures on this graph. We didn’t consist of People, mainly because honestly … we’re only personally interested in using powders which are temperature steady.
And maybe annealing befor resizing could aid slightly to uniform neck tension, even on the initial reloading. Possibly overkillt for “typical” match ammo, but for anyone kind of checks… who nows.