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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375-408 Cheytac
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<blockquote data-quote="Fiftydriver" data-source="post: 152845" data-attributes="member: 10"><p>I will also have my 375 Allen Magnum out this summer as well.</p><p></p><p>Biggest problem with the 375 cal is a supply of good long range bullets, or lack there of. You really need a bullet with a BC of over .8 to be competitive with the 338 rounds as far as ballistics go.</p><p></p><p>Currently you have the Lost River Ballistics bullets if you want to pay $2 each for the bullets. Chey Tac I believe also has a couple bullets they are testing.</p><p></p><p>Sierra has made a test run of 350 gr SMKs for Chey Tac industries to test in their 375-408 but I have already heard that this bullet is to be redesigned into something like a 375 gr version which I have been calling for for over a year now.</p><p></p><p>Wildcat Bullets is also tooling up to build heavy 375 cal bullets and with some new developments with Wildcat bullets, I suspect the new 375 gr pills may be the ultimate in ballistic performance yet still offer good consistancy in a wide range of barrels and also offer great terminal performance, things the LRB bullets simply do not offer, no solid long range bullet can offer these things.</p><p></p><p>I am also designing and will be releasing a 375 Allen Xpress which will be based on the 338 Lapua case which will be a bit tamer then the 375 Allen Mag for those that want to play with the medium bores but not get as extreme as working with the 408 CT case.</p><p></p><p>Right now, the best place to learn about these will be from Chey Tac Industies, Barney Lawton with Lawton machining and here at LRH from Dave and myself when we get our wildcats throwing lead.</p><p></p><p>Ballistically, the 50 BMG is really a dog compared to these rounds in every catagory except energy but they have plenty to get most work done easily.</p><p></p><p>Energy wise, the 375 will pack a significantly heavier load then the 338s.</p><p></p><p>Again, the limiting factor at this point is a good choice of accurate long range bullets but they are coming!! I have a supply of the 375 cal sierra SMK bullets on the way for testing and I can not wait to try some of the new WIldcat bullets when they are ready!!!</p><p></p><p>Personally, with the correct bullet, I feel the 375 cal on the 408 case is a better choice then the 338 version. Simply because it will be less finicky, can use much more common powders, has a longer bore life and is easier to form.</p><p></p><p>Thats another point, working on offering formed cases to my customers for the 375 AM and 375 AX as well. That will be ready by this summer.</p><p></p><p>Good Shooting</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 152845, member: 10"] I will also have my 375 Allen Magnum out this summer as well. Biggest problem with the 375 cal is a supply of good long range bullets, or lack there of. You really need a bullet with a BC of over .8 to be competitive with the 338 rounds as far as ballistics go. Currently you have the Lost River Ballistics bullets if you want to pay $2 each for the bullets. Chey Tac I believe also has a couple bullets they are testing. Sierra has made a test run of 350 gr SMKs for Chey Tac industries to test in their 375-408 but I have already heard that this bullet is to be redesigned into something like a 375 gr version which I have been calling for for over a year now. Wildcat Bullets is also tooling up to build heavy 375 cal bullets and with some new developments with Wildcat bullets, I suspect the new 375 gr pills may be the ultimate in ballistic performance yet still offer good consistancy in a wide range of barrels and also offer great terminal performance, things the LRB bullets simply do not offer, no solid long range bullet can offer these things. I am also designing and will be releasing a 375 Allen Xpress which will be based on the 338 Lapua case which will be a bit tamer then the 375 Allen Mag for those that want to play with the medium bores but not get as extreme as working with the 408 CT case. Right now, the best place to learn about these will be from Chey Tac Industies, Barney Lawton with Lawton machining and here at LRH from Dave and myself when we get our wildcats throwing lead. Ballistically, the 50 BMG is really a dog compared to these rounds in every catagory except energy but they have plenty to get most work done easily. Energy wise, the 375 will pack a significantly heavier load then the 338s. Again, the limiting factor at this point is a good choice of accurate long range bullets but they are coming!! I have a supply of the 375 cal sierra SMK bullets on the way for testing and I can not wait to try some of the new WIldcat bullets when they are ready!!! Personally, with the correct bullet, I feel the 375 cal on the 408 case is a better choice then the 338 version. Simply because it will be less finicky, can use much more common powders, has a longer bore life and is easier to form. Thats another point, working on offering formed cases to my customers for the 375 AM and 375 AX as well. That will be ready by this summer. Good Shooting Kirby Allen(50) [/QUOTE]
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375-408 Cheytac
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