The Accurate Reloading Forums THE ACCURATE RELOADING.COM FORUMS Hunting Alaska Hunting Forum .375 Ruger handloads?Go | New | Find | Notify | Tools | Reply | |
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Have been pooring over load data for the Ruger, and am not sure what the 'go to' powder is for it yet. Have been using some IMR4350, and it works OK. Also reading lot's about RL15 & 19. Anyone found the magic formula yet? Am using 300 gr. Hornady RNs. | ||
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I got exceptional accuracy from RL15, but a little slow on the velocity. 2475-2520fps. A friend told me he got reasonably accurate loads at a 2600+fps velocity with RL17. Check the Alaska archives and you will find my post on it from 3-4 monthes ago. Brett DRSS Life Member SCI Life Member NRA Life Member WSF Rhyme of the Sheep Hunter May fordings never be too deep, And alders not too thick; May rock slides never be too steep And ridges not too slick. And may your bullets shoot as swell As Fred Bear's arrow's flew; And may your nose work just as well As Jack O'Connor's too. May winds be never at your tail When stalking down the steep; May bears be never on your trail When packing out your sheep. May the hundred pounds upon you Not make you break or trip; And may the plane in which you flew Await you at the strip. -Seth Peterson | |||
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Thank you Brett, I apreciate your input. | |||
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I started out with Hodgdons Hybrid 100V, thinking that being a new powder it was probably what Hornady was using in their factory loads. Wrong! Spoke to Hornady reps at Reno SCI and they said they are loading with a proprietary ball powder. Anyway, the H100V gave pretty good accuracy, great velocity (2800 fps with 300 gr Swift AFrames, 24" Lilja barrel - this isn't a Ruger rifle, it is a custom built on a pre-'64 Model 70 action), but the powder charge is very compressed, the SD's are in the teens, and I'd get occasional flyers. So, I went on a search for a powder a little denser to alleviate the compression. Tried Rel 15, H4350 and Win 760. Win 760 (aka H414) has been the best by far. Velocity is good (2775 with 300 gr. Swift), no pressure signs, consistently under MOA, and the lowest standard deviations I've ever experienced in a large bore, consistently under 5 fps. Check it out! | |||
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Ive had good luck with Varget and Barnes bullets in my Ruger African rifle. | |||
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You're shooting a .375 Ruger? Those velocities seem a little high. More like RUM or Weatherby. Brett DRSS Life Member SCI Life Member NRA Life Member WSF Rhyme of the Sheep Hunter May fordings never be too deep, And alders not too thick; May rock slides never be too steep And ridges not too slick. And may your bullets shoot as swell As Fred Bear's arrow's flew; And may your nose work just as well As Jack O'Connor's too. May winds be never at your tail When stalking down the steep; May bears be never on your trail When packing out your sheep. May the hundred pounds upon you Not make you break or trip; And may the plane in which you flew Await you at the strip. -Seth Peterson | |||
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Ya, that does seem a little high. Funny thing about the Ruger is that reported velocities seem to be all over the map. Have tried 75 grs. H414 and IMR4350 so far with the 300s, and I've not put them over the radar yet, but feels like about 2,400 with the loads I'm using. Working up slowly this week and will see what happens. It's a real pain not being able to step out my back door anymore and do my shooting. Gotta travel about 20 minutes to the hills these days. Makes testing time consumming, so trying to expedite with all your input. I hunt the real thick stuff, so I like the 300 grain bullets for big stuff up close, and have a .300 for open country, so no need for a 270 gr. load I think. Thank you all for your comments! | |||
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OK, for a follow-up, I took my .375 Ruger Alaskan, with a cheap ass, Brownells plastic stock, and a full on, ground up custom .375 Ruger, on a Mod 70 action, beautifully stocked, custom milled barreled, show piece to the hills for some 'paper work'. Interesting results. The custom, a rifle that cost's more then my Harley Davidson, shot the 260 gr. Nosler Accubond in a nice little ragged hole, about 3/8" for 5 shot's. As I added powder, the groups opened just slightly, but were very exceptable. My Ruger sprayed them like buck shot. Not exceptable for much of anything. But with my old favorite; the 300 gr. RN Hornady, and 76, thru 79 gr. IMR 4350, it also shot bug holes. Go figure! Think I'll stop right there. The only major problem with the custom job is that; IT AIN'T MINE, damn it!  | |||
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Quote "You're shooting a .375 Ruger? Those velocities seem a little high." That is what I'm getting over my PACT chrono. Seems high relative to published load data, but I've checked this chrono several times vs. another PACT and a Oehler, always within 25 fps. The gun IS NOT a Ruger, it is a custom pre-64 Model 70 with a Lilja SS 24" barrel, which may matter. | |||
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Ya, don't doubt it. Have been seeing velocities as high elswhere. I think the main reason it seems all over the map with velocities, is that it is still pretty new on the market and may take some time to really get it figured out. But I will also say that I sure like mine. With it's plastic stock and stainless steel, I don't feel the need to be so damn careful with it in the field, and can use it for what it was intended for, without worrying about damaging it's value if I ding it. In fact, not sure I can ding it! Great tool! | |||
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Just an update: RL 17 is the ticket. You can achieve 2600-2700fps with 300 grain Barnes TSX with reasonable accuracy. Brett DRSS Life Member SCI Life Member NRA Life Member WSF Rhyme of the Sheep Hunter May fordings never be too deep, And alders not too thick; May rock slides never be too steep And ridges not too slick. And may your bullets shoot as swell As Fred Bear's arrow's flew; And may your nose work just as well As Jack O'Connor's too. May winds be never at your tail When stalking down the steep; May bears be never on your trail When packing out your sheep. May the hundred pounds upon you Not make you break or trip; And may the plane in which you flew Await you at the strip. -Seth Peterson | |||
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Thanks for the update. May have to give some a try. | |||
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