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More from the 7X57
#4118272
04/16/24 08:25 PM
04/16/24 08:25 PM
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Joined: Apr 2016
Posts: 1,566 Elmore County
treemydog
OP
8 point
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OP
8 point
Joined: Apr 2016
Posts: 1,566
Elmore County
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After abysmal attempts at dialing in a load with flat base bullets, I switched to boat tails and WOW what a difference. The rifle: an Interarms Mark X. The chambering: 7X57. The bullets: 145 speer BTSP and Berger 150 Classic Hunter. Finally, a healthy dose of IMR-4350 makes it a MOA shooter with both sets of boat tails. Also, an interesting note: Friend of mine gave me some collectable tins of old Herter's powder, likely from the 70s and as old as I am. Three out of the 4 cans were/are still sealed. After lots of research and evaluating powder status and finding antiquated load data for it on the interwebs, I loaded up 3 rounds with it. Wouldn't you know that it, albeit relatively slow, shot the best group! Crazy... The good news is I'm not going to be shooting this one a country mile, so MOA has made it very acceptable for the style of deer hunting I do. The trigger is nice and crisp, and it's a great classic styled rifle with the handsome walnut and deep, almost black, blued steel. I may continue to tinker with it to try to narrow it down a little more, but I'm more than happy with those groups, especially since the flat bases speers were toggling back and forth between 3 and 4 MOA. I count it as a win.
Last edited by treemydog; 04/16/24 08:30 PM.
You gonna pull them pistols, or whistle Dixie?
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Re: More from the 7X57
[Re: treemydog]
#4118364
04/17/24 04:11 AM
04/17/24 04:11 AM
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Joined: Jan 2003
Posts: 12,747 behind my Dillon
dave260rem!
Skinny’s Ex
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Skinny’s Ex
Joined: Jan 2003
Posts: 12,747
behind my Dillon
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Cool deal! I think Herters 102 was actually made by Nobel for Scot powder. H102 is 4895ish in burn rate if my info is correct so the speed won't be 4350 like. I kid .270 shooters that the 7x57 was O'Connor fave caliber...Mrs.O'Connor.
Skinny is my EX.Alcohol was involved.
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Re: More from the 7X57
[Re: treemydog]
#4118520
04/17/24 10:45 AM
04/17/24 10:45 AM
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Joined: Sep 2012
Posts: 18,173 North AL
AU338MAG
Old Mossy Horns
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Old Mossy Horns
Joined: Sep 2012
Posts: 18,173
North AL
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Looks like a winner.
4350 is the cat's meow for the 7x57 IMHO.
Dying ain't much of a living boy...Josey Wales
Molon Labe
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Re: More from the 7X57
[Re: dave260rem!]
#4118719
04/17/24 05:19 PM
04/17/24 05:19 PM
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Joined: Apr 2016
Posts: 1,566 Elmore County
treemydog
OP
8 point
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OP
8 point
Joined: Apr 2016
Posts: 1,566
Elmore County
|
Cool deal! I think Herters 102 was actually made by Nobel for Scot powder. H102 is 4895ish in burn rate if my info is correct so the speed won't be 4350 like. I have 101 and 102.
Last edited by treemydog; 04/17/24 07:13 PM.
You gonna pull them pistols, or whistle Dixie?
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