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Joined: Oct 2000
Posts: 30,279
Campfire 'Bwana
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OP
Campfire 'Bwana
Joined: Oct 2000
Posts: 30,279 |
Brad, that's exactly what more than one ballistic lab-tech has told me. In fact, during my last visit to a pressure lab, the tech said, "A chronograph is the home handloader's best friend!" In this day and age I find it incomprehensible not owning a $100 chronograph if you're a handloader!
“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery
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Joined: Jun 2004
Posts: 44,846 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,846 Likes: 1 |
Those darn .250 book loads!  Don't worry, I'm not doing anything crazy. I'm working from Hodgdon's 6mm-250 & 250 Savage data, "The Rules", feel developed over the last 30 years or so, and using my new Oehler 35P. Doing the figuring told me I should get approx. 3150 with a 90 gr. Sierra at 48000 CUP. That's almost exactly the speed my chrono registered, and the primers don't even look as flat as full on 308 book loads in my rifles. I'm laying the groundwork for a possible switch to the 80 gr. TTSX. Edit: Rem. 700 Classic
Last edited by mathman; 01/10/11.
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Joined: Jul 2001
Posts: 60,132 Likes: 9
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,132 Likes: 9 |
mathman,
Oh, I'm not worried about you--or me. I regularly exceed .250 book loads.
The latest version of Accurate 2495 is also a real good one in the .250. It's now being made specifically for Western Powders and is real good stuff. In a recent test of a Ruger 77 .250 it was more accurate than a half-dozen other powders in that burning range, including Varget and RL-15. Not by much, but it beat 'em.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Jun 2004
Posts: 44,846 Likes: 1
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,846 Likes: 1 |
Excellent info about the 2495. The last time I saw some at a gun show it was labeled Made in Canada. Is that the new source country, and is it a short kernel powder?
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Joined: Jul 2001
Posts: 60,132 Likes: 9
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,132 Likes: 9 |
It is a short-kernel powder, but I'll have to check the canister of where it's made.
Western is selling enough powder now that they're able to get powder makers to work with them. There are some interesting things happening in powder manufacturing everywhere these days.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Jul 2003
Posts: 5,749
Campfire Tracker
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Campfire Tracker
Joined: Jul 2003
Posts: 5,749 |
Brad, that's exactly what more than one ballistic lab-tech has told me. In fact, during my last visit to a pressure lab, the tech said, "A chronograph is the home handloader's best friend!" Rick Bin once posted that he stopped at book max. charge or max. listed velocity which ever came first. I thought that was well said, and I bought a chronograph shortly after that. The thing is, that chronograph really opened my eyes to the "magical" 7Rem Mag. I came to realize I had been shooting a FAT 280 all along.
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