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Old January 10, 2019, 04:37 PM   #26
Mal H
Join Date: March 20, 1999
Location: Somewhere in the woods of Northern Virginia
Posts: 15,889
What a great site!

Using their data, it looks like my measurements are actually very close to what they came up with. Some are right on, and some are closer to their max length, but all are in the infield of the ballpark.
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Old January 10, 2019, 05:07 PM   #27
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Join Date: January 10, 2019
Location: Fort Lauderdale, FL
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Interesting article

I read an interesting article that dependent upon how reloads are stored, they can quickly change to where they are out of SAMMI spec - as a result of improper storage. It was an article where the writer had purchased the contents of a store and found some ammunition from a company that is now defunct. It explains what happens over time

My point I guess is that the OP, may be seeing the fps because of how long the ammo has been stored.
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Old January 11, 2019, 10:32 PM   #28
Join Date: December 25, 2017
Posts: 38
Originally Posted by Unclenick View Post
Speer still uses a 22" barrel as of #14. The reason I suggested IMR4320 is it was the only powder Hodgdon lists currently as getting about your velocity at your charge weight. IMR 4895, in Hodgdon's test barrel, would fall about 50 fps short after cutting the barrel down to 22". IMR 4350 with Hodgdon's max load of 58 grains (a compressed load) can't get there because the bullet is too light for its burn rate, so it can't build pressure against the bullet faster than it gets away down the tube (too rapid expansion).
What do you think of Varget powder
IMR 4895

These are some of the number I’ve seen in his notes but there is books and books to cipher through. I know he had loads also for 6.5 Swede 6.5 carcano 7x57 and various other military rounds. I’m going to start pulling these cases and try comparing and seeing what the powder looks like. I don’t have a Swede or Mauser to test those with my chrono but I do have a carcano that I can test with my gun stand and string to pull the trigger. After all the post I’ve read now I’m doubting my uncle and he was a great marksmen, head of the local gun club a veteran and fellow LEO. I trust all his stuff but I have a wife and baby and can never be to safe.
Thanks and please let me know what those powders show if your quick load program.
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