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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30" 257 Weatherby - What can I expect.
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<blockquote data-quote="Hired Gun" data-source="post: 1975128" data-attributes="member: 1290"><p>Edited. Son was doing the loading and I was under impression he was using 7828. It was what we normally used. During this test HE WAS NOT!!! It was RL-33. Everything else was the same. Editing for accuracy. Sorry for the confusion. I'm in for at least one ding dong. </p><p></p><p>Just the fact that some many other calibers have so much better BC and I have barrels and reamers for all of them this whole test is rather pointless but it's an old itch that needs scratched and finally got the change to do it. I rarely ever get time to do anything for myself. </p><p></p><p>The data is no typo. Just strictly reporting the results. We started at 75 and went up from there. I am aware of everything you just mentioned and have most every book from every company making hard bound books since the Speer #8. I can't explain it but it is what it is. Only been out once with it so far. We haven't done the brass life tests yet. Invariably that will adjust the load down because I expect top get between 10-20 firings like I do on all my own stuff. That is the last thing we will do. My 300 Wby 210 load will go 20+ firings and it is above the book but not near so much. I have found the books to be super conservative meaning the published max are often no where near max. I have an old Speer #8 book and it's 7 Rem Mag loads are often 10 grains higher than the Number 10 book. </p><p></p><p>I don't have a pressure gauge so can only go by how it extracts and what the cases are doing for expansion and brass flow and predictable consistent increases on the chronograph. The reason to explore quicker powder is we are out of case and need to find some pressure. I have 25, 33, H1000, H870, US869, Ramshot Magnum and pretty much all the slower offerings. I may explore some of those. Right now we are looking for pressure and couldn't find it with 85 grains of RL-33. That's where we are. I am going to see if we can squeeze a bit more in there but even if we did and all kept gaining linearly it is going to come up short of the claimed results. </p><p></p><p>I am far from all knowing but have been around the block many times with over 40 years of trying to blow myself up. I was lucky to survive age 13 thinking it was okay to need to carry a mallet to open the bolt on my old Ruger 7 Mag shooting 160's at 3300. I have never once blown a primer but have had some serious hard extraction pressure and ejector marks were very heavy. I have also seen my share of customer mishaps including shooting 300WM in 7 RUM chamber or a 6.5x55 that grabbed the wrong powder and totally welded the brass into the bolt head. I can go on and on from there. </p><p></p><p>At this point I thought someone else might be interested in reviewing this claim. About 12 years ago there is was a brand new out of school custom smith in AZ that specialized in 30" 257 Wby's built on old Ruger 77's and he claims 4100 out of 100 grain bullets. I wanted to see if it was for real or duplicatable. </p><p></p><p>If you have some actual experience to add that is advanced of where we are to build upon I'm all ears. I honestly am looking to learn every day. This isn't my only hobby and my other is far more unbelievable than loading a hot round in a long barrel. Try your hand at setting a world ET and speed record with your own creation to competing against millionaires who are fiercely competitive but can't do it themself. My greatest thrill in life is making their heads explode doing what other people deem impossible.</p><p></p><p>Back to the 257 test. It is not that big of deal to me. If it doesn't meet expectations I am fully prepared to cut the barrel down and run it conventionally or change it to a 6.5x300 Wby or 7mmx300 Wby. If you are just going to criticize it then I will have this whole topic removed and you can go back to your regular scheduled programming. Either way I intend to wring it out to see if there is anything here just in case someone does make a proper .550 BC bullet for it in a 110 to 115 grain bullet in the next year or so. I know I am missing something but the wife is calling and we need to go visit her elderly parents while we still can.</p><p></p><p>I was right. I was missing something. This data is all done totally with RL-33. We were given the load by another member to try. We worked up to it but fell short of our goal. RL-33 is one of the slowest powders so in order to find pressure before the case is full we will need to try some slightly faster stuff. I will update again once the results are in. Again so sorry for the faulty info. Getting old is a bitch.</p></blockquote><p></p>
[QUOTE="Hired Gun, post: 1975128, member: 1290"] Edited. Son was doing the loading and I was under impression he was using 7828. It was what we normally used. During this test HE WAS NOT!!! It was RL-33. Everything else was the same. Editing for accuracy. Sorry for the confusion. I'm in for at least one ding dong. Just the fact that some many other calibers have so much better BC and I have barrels and reamers for all of them this whole test is rather pointless but it's an old itch that needs scratched and finally got the change to do it. I rarely ever get time to do anything for myself. The data is no typo. Just strictly reporting the results. We started at 75 and went up from there. I am aware of everything you just mentioned and have most every book from every company making hard bound books since the Speer #8. I can't explain it but it is what it is. Only been out once with it so far. We haven't done the brass life tests yet. Invariably that will adjust the load down because I expect top get between 10-20 firings like I do on all my own stuff. That is the last thing we will do. My 300 Wby 210 load will go 20+ firings and it is above the book but not near so much. I have found the books to be super conservative meaning the published max are often no where near max. I have an old Speer #8 book and it's 7 Rem Mag loads are often 10 grains higher than the Number 10 book. I don't have a pressure gauge so can only go by how it extracts and what the cases are doing for expansion and brass flow and predictable consistent increases on the chronograph. The reason to explore quicker powder is we are out of case and need to find some pressure. I have 25, 33, H1000, H870, US869, Ramshot Magnum and pretty much all the slower offerings. I may explore some of those. Right now we are looking for pressure and couldn't find it with 85 grains of RL-33. That's where we are. I am going to see if we can squeeze a bit more in there but even if we did and all kept gaining linearly it is going to come up short of the claimed results. I am far from all knowing but have been around the block many times with over 40 years of trying to blow myself up. I was lucky to survive age 13 thinking it was okay to need to carry a mallet to open the bolt on my old Ruger 7 Mag shooting 160's at 3300. I have never once blown a primer but have had some serious hard extraction pressure and ejector marks were very heavy. I have also seen my share of customer mishaps including shooting 300WM in 7 RUM chamber or a 6.5x55 that grabbed the wrong powder and totally welded the brass into the bolt head. I can go on and on from there. At this point I thought someone else might be interested in reviewing this claim. About 12 years ago there is was a brand new out of school custom smith in AZ that specialized in 30" 257 Wby's built on old Ruger 77's and he claims 4100 out of 100 grain bullets. I wanted to see if it was for real or duplicatable. If you have some actual experience to add that is advanced of where we are to build upon I'm all ears. I honestly am looking to learn every day. This isn't my only hobby and my other is far more unbelievable than loading a hot round in a long barrel. Try your hand at setting a world ET and speed record with your own creation to competing against millionaires who are fiercely competitive but can't do it themself. My greatest thrill in life is making their heads explode doing what other people deem impossible. Back to the 257 test. It is not that big of deal to me. If it doesn't meet expectations I am fully prepared to cut the barrel down and run it conventionally or change it to a 6.5x300 Wby or 7mmx300 Wby. If you are just going to criticize it then I will have this whole topic removed and you can go back to your regular scheduled programming. Either way I intend to wring it out to see if there is anything here just in case someone does make a proper .550 BC bullet for it in a 110 to 115 grain bullet in the next year or so. I know I am missing something but the wife is calling and we need to go visit her elderly parents while we still can. I was right. I was missing something. This data is all done totally with RL-33. We were given the load by another member to try. We worked up to it but fell short of our goal. RL-33 is one of the slowest powders so in order to find pressure before the case is full we will need to try some slightly faster stuff. I will update again once the results are in. Again so sorry for the faulty info. Getting old is a bitch. [/QUOTE]
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30" 257 Weatherby - What can I expect.
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