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Joined: Feb 2021
Posts: 33
Campfire Greenhorn
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Campfire Greenhorn
Joined: Feb 2021
Posts: 33 |
I finally finished tiling the basement, concrete work and spring food plotting and had time to go to the range to chronograph Rl17 loads I made for the 358WSM. The results of the experiment were as follows: Rl17 75gr...Horn 200gr SP...3010fps ave for 5 shots.
Rl17 75 gr...225AB...2978fps ave for 5 shots.
fire-formed 300WSM brass
Labradar used
Win M70, Hart 22 inch #3, 1-12, "358 X 300 WSM .389ND" nicely stamped on the barrel
These loads were found published in my internet search of 358WSM/Sambar. I think in an article by Bryce Towsley but I could not find it again to reference here. Sorry.
I am no expert but know velocity equals pressure and these velocities seem fast for a case of this volume. However, bolt lift and extraction were without hesitation and the primers were still rounded similar max book loads I use in my 300 and 270 WSM. The primer pockets were starting to loosen though, this being the third or fourth reloading of differing loads. One more and the brass is probably done. If, I were to hunt this rifle, I would load the 225 AB to 2800fps and be happy. Its niche for me is a 7 1/2 lb. backpack rifle for black bears-light,handy and some extra horsepower. That it is. But I've had it for 16 years and rarely shoot it choosing a 358 Win, 9.3x62, 375 B&M or H&H for my bear hunting so it is a safe queen.
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Joined: Apr 2011
Posts: 15,298
Campfire Ranger
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Campfire Ranger
Joined: Apr 2011
Posts: 15,298 |
I think you have a darned winner. Man, that’s a cool thumper.
Semper Fi
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Joined: Jul 2002
Posts: 4,224
Campfire Tracker
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Campfire Tracker
Joined: Jul 2002
Posts: 4,224 |
After Bryce Towsley wrote an article about building a custom 358 Winchester he declared it no good beyond about a hundred yards. That is paraphrased. That's when I stopped reading anything by him or any magazine for whom he writes articles. He thinks he can say anything and it must be right. He wrote it, right? That's why Gunswizard and I got crossways. He said the same thing basically but when called on it, wouldn't simply admit that he might have read it somewhere. I think the old trick of making a 350 Rem Mag on a long action and loading it quite long would get you a long ways past the short action loads. Jeff Cooper did it but I think he might have shot the loads once and tossed the empties for safety's sake. I can't actually remember. Good luck with those medium bores and Be Well, RZ.
Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy. Its inherent virtue is the equal sharing of misery. Winston Churchill.
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Joined: May 2014
Posts: 10,407
Campfire Outfitter
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Campfire Outfitter
Joined: May 2014
Posts: 10,407 |
Hornady 200 SP TAC 52 grains 1.22 MOA
I prefer classic. Semper Fi I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally
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