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I posted this in the reloading section, and got a couple of responses but am looking for concrete suggests, bullet weight, types, powder weight etc. Hello All: I am fairly new to the forum, been stalking for a while. I finally pulled the trigger (so to speak) on a new gun. I have commisioned Bailey Bradshaw to build me a new double with two sets of barrels. 375 Flanged and 470 NE. Now I need something to shoot through them. I have done some reloading (mostly pistol) and own a Lee Progressive and all the misc stuff you need. In need loading data, cases, bullet recommendations. I could go to the books but I want loads that people really endorse. I am not much of an experimenter and these loads will be used in the regulation of the rifle. Any and all help is appreciated. PS If FR Mitchell is listening in please drop me a PM. | ||
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Did Bailey provide the load with which he regulated the rifle? Did he use factory ammo or handloads? I can't help with the .375 but the .470 is fairly easy. Sam says that the Cutting Edge Bullet with 106 gr of IMR 4831 should be just fine and it shoots pretty well on initial firing. I need to fine tune the load to my rifle but it was a starting point to me. I believe that Mr Searcy also recommends that as his regulation load in his .470's with Woodleigh bullets, both softs and solids in 500 gr. | |||
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Here is my load for the 375Fl Alliant Reloder-22 - start at 80 grains and work up to 84 grains under 1) 300g CEB #13 solid 2) 275g CEB Non-Con 3) 300g Woodleigh Weldcore SP 4) 300g Swift A-frame 5) 270g Barnes TSX All go to same POA and regulated well out of my Verney-Carron. NRA Lifer; DSC Lifer; SCI member; DRSS; AR member since November 9 2003 Don't Save the best for last, the smile for later or the "Thanks" for tomorow | |||
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That sounds like it will be tough. We can give you loads but you are not going to be able to verify them velocity wise with "your" powder and components when you don't yet have the rifle to shoot them in. I could give you my favorite load of RL15 for the 470 which in my gun shoots to 2160fps. But with your powder and in your gun that load could easily only shoot to 2000+/- FPS. Now you would have a rifle regulated for sub-par velocities. I don't know maybe I am over thinking it. Are you going to be working close with Bailey when it comes time to regulate? And if your velocities are to low or high you will have an opportunity to adjust the load, then he will do the regulation? Mac | |||
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Thanks for the replies, and sorry for taking to get back, I have been traveling. The rifle is year out so no hurry on anything. Bailey requested that I supply the loads for regulation. I guess in my ignorance I assumed that a given load would shoot to the same velocity in all rifles, that does not appear to be the case from your responses. When you talk about working up a load I guess that means having a chrono and working up to the prescribed velocity. Hmmm a catch 22 | |||
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You've got two very useful calibers there, dc. One way to approach the answer to your question is to ask Bailey to regulate each set of barrels to commercially available ammunition. There's plenty of 470 Nitro sold over the counter so that's not an issue. There's much less .375 flanged available: perhaps modern Kynoch, made by Kynamco would be the best. But you'd want at least 2400 fps from the round (which just happens to be the velocity Butch Searcy regulates his .375 FL doubles for). Advantage of regulating for commercially available rounds are two-fold: a) you can handload to that velocity with no difficulty; b) your wife can more easily dispose of the rifle when you croak  Regards, Tim | |||
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Tim's advice is good. The other source for 375Flanged factory ammo is Norma. Hopefully Nosler and Hornady will get on the bandwagon but as of now, Norma is the only other factory 375Fl that I know of. NRA Lifer; DSC Lifer; SCI member; DRSS; AR member since November 9 2003 Don't Save the best for last, the smile for later or the "Thanks" for tomorow | |||
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Doc: I think I asked you this before but I can't remember what you told me. What kind of velocity are you getting with the 300 grain bullets in your .375 flanged? I ordered a Chapuis in that caliber and asked that it be regulated with Kynoch ammo but now some of the guys os AR are saying that Kynoch ammo is too hot. I have it in the back of my mind that the Norma ammo only runs about 2300 fps. Dave DRSS Chapuis 9.3X74 Chapuis "Jungle" .375 FL Krieghoff 500/.416 NE Krieghoff 500 NE "Git as close as y can laddie an then git ten yards closer" "If the biggest, baddest animals on the planet are on the menu, and you'd rather pay a taxidermist than a mortician, consider the 500 NE as the last word in life insurance." Hornady Handbook of Cartridge Reloading (8th Edition). | |||
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Hey Dave, The Norma ammo is loaded (or was loaded - they may have changed it) with 350 grain softs and solids and as I recall, it was around 2,200-2,300fps. I want to say around 2,500fps for 300g Woodleighs and 300g CEB #13 solids but taht is purely off the top of my head. When I get home tonight I'll check my load and chrony data and up date this post. NRA Lifer; DSC Lifer; SCI member; DRSS; AR member since November 9 2003 Don't Save the best for last, the smile for later or the "Thanks" for tomorow | |||
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Thanks for all the comments. My reasoning for reloading is that I don't want to get stuck without ammo. Seems to me that the commercial stuff is constantly becoming "new and improved". With handloads I can find one that works and call it good. My wife has her work cut out for her getting rid of all my guns, machine tools etc. This has become more important now that I am flying my home built helicopter (google Safari Helicopter) Bailey keeps dragging his feet. It has been a couple of months are he is still not finished;-) Bill | |||
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I also recommend picking a commercial load and using that for regulation. You can always duplicate that load when you load for your rifle. I was promised by Nosler they would have their 375 flanged out this summer. Horanady would not commit to a date but said soon. Just remeber when you pick a load and have your rifle regulated with it That is your load for that rifle from now on. Doubles are not like a bolt or single shot you can’t change your load and expect it to regulate. There are some exceptions to this but generally you will be using the same load. I would use the 300 gr bullets in the 375fl at about 2400 and 500gr in the 470 at about 2150. Now go kill something you have a great combo. Keep us posted Bill Member DSC,DRSS,NRA,TSRA A man who carries a cat by the tail learns something he can learn in no other way. -Mark Twain There ought to be one day - just one – when there is open season on Congressmen. ~Will Rogers~ | |||
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