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Joined: Mar 2011
Posts: 388 Likes: 4
Sidelock
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OP
Sidelock
Joined: Mar 2011
Posts: 388 Likes: 4 |
I was hoping someone out there with a 360 BPE might be able to tell me what the twist rate is in your barrel. I have the chance to take on a project gun that I would like to have lined back to original caliber. I know I can get a 9.3 mm (.366 groove) liner, but don't know what twist rate would be correct for the 360 BPE. Also, if you could tell me the number of grooves your barrel has, that would be helpful as well.
Thanks
“I left long before daylight, alone but not lonely.”~Gordon Macquarrie
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Joined: Jul 2010
Posts: 544
Sidelock
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Sidelock
Joined: Jul 2010
Posts: 544 |
Flint, lemme check the twist for my little Outschar stalking rifle. I believe that's the one I own that was originally a 9.3 X 57R/360D, if I have the nomenclature correct and that is the same cartridge you're referring to. I believe they were the same, one the German designation and the other British, yes, no? Other than having the chamber lengthened to 62mm it is all original. A rate of 1-14 1/2 sticks in my head but I should check.
Last edited by sharps4590; 08/01/15 01:50 PM.
NRA Benefactor 2008 NRA Patron 2007 NRA Endowment 1996 NRA Life 1988
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Joined: Jul 2010
Posts: 544
Sidelock
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Sidelock
Joined: Jul 2010
Posts: 544 |
Hey Flint, I came up with a 1-15 twist so I wasn't far off. With a 200 gr. bullet it's a tack driver.
NRA Benefactor 2008 NRA Patron 2007 NRA Endowment 1996 NRA Life 1988
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Joined: Mar 2011
Posts: 388 Likes: 4
Sidelock
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OP
Sidelock
Joined: Mar 2011
Posts: 388 Likes: 4 |
Perfect, that is what I was looking for. What kind of powder charge are you using for that 200 gr bullet if I might ask?
“I left long before daylight, alone but not lonely.”~Gordon Macquarrie
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Joined: Jul 2010
Posts: 544
Sidelock
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Sidelock
Joined: Jul 2010
Posts: 544 |
58 grs. of Fffg Scheutzen dropped through a 24 in. drop tube, a .030 over powder card then a pea sized grease cookie, another .030 card wad then seat the bullet, lightly crimped. Here's a group I fired with it at 100 yards, benched and bagged, open sights. First shot at the bottom edge of the target, second in the 5 ring at 7 o'clock then a last sight adjustment and 3 for group.
Last edited by sharps4590; 08/02/15 07:35 AM.
NRA Benefactor 2008 NRA Patron 2007 NRA Endowment 1996 NRA Life 1988
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Joined: Jul 2012
Posts: 4,445 Likes: 201
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,445 Likes: 201 |
I don't like black powder, but you sure can't argue with groups like that. Mike
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Joined: Dec 2001
Posts: 6,981 Likes: 397
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,981 Likes: 397 |
What weight bullet are you planning to shoot? Most are 155 gr but my gun is regulated for the 190 gr bullet.
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Joined: Jul 2010
Posts: 544
Sidelock
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Sidelock
Joined: Jul 2010
Posts: 544 |
Oh come on Mike...you just gotta get your heart into it...lol! It is sort of persnickety stuff and more work than smokeless, with that I agree! I doubt I could consistently repeat that group but I'm convinced the rifle is capable. That one is a dandy, 5/8 in. for 3 shots at 100.
NRA Benefactor 2008 NRA Patron 2007 NRA Endowment 1996 NRA Life 1988
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Joined: Jul 2012
Posts: 4,445 Likes: 201
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,445 Likes: 201 |
Vic, We all have bad habits,you have to decide if I mean you or me. Mike
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Joined: Jul 2010
Posts: 544
Sidelock
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Sidelock
Joined: Jul 2010
Posts: 544 |
Vic, We all have bad habits,you have to decide if I mean you or me. Mike Placed in that context it has to be me, lol!!
NRA Benefactor 2008 NRA Patron 2007 NRA Endowment 1996 NRA Life 1988
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Joined: Jul 2012
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Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,445 Likes: 201 |
Vic, Oh, I thought it was me since I seem to be the only one that doesn't like to use blackpowder. Mike
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Joined: Nov 2014
Posts: 320 Likes: 10
Sidelock
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Sidelock
Joined: Nov 2014
Posts: 320 Likes: 10 |
Hey Flint, I came up with a 1-15 twist so I wasn't far off. With a 200 gr. bullet it's a tack driver. Sir, is the 200gr paper patched as well or "nekkid"? Edited to add: Nice shooting by the way!
Last edited by Hoot4570; 08/03/15 10:42 AM.
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Joined: Jul 2010
Posts: 544
Sidelock
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Sidelock
Joined: Jul 2010
Posts: 544 |
Hey Hoot, it is a grease groove bullet, an Accurate Molds 365196B cast of 25-1 lead/tin. I want to try paper patching but have yet to flog myself to it. And thank you, even a blind hog finds an acorn once in a while!
NRA Benefactor 2008 NRA Patron 2007 NRA Endowment 1996 NRA Life 1988
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Joined: Feb 2020
Posts: 116 Likes: 9
Sidelock
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Sidelock
Joined: Feb 2020
Posts: 116 Likes: 9 |
Hello Sharps4590, Could you help mé please. I got single shot Sauer Tell model V from 1900,in 9,3x57r/360 E, it is True 9,3mm.366 bore with express (Henry?) rifling (7 grooves, lands) with barrel long 62,5cm =cca 24.60 inch, it Will do one full turn in the whole barrel, so it has a twist 1:24 1/2? The caliber was black powder as well as a smokeless. With bullets range from 124gr 155gr - 190gr,215grn up to 227gr. What is the Best suited bullet and velocity for this rifling. Thank you very much. Martin
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Joined: Feb 2011
Posts: 353 Likes: 50
Sidelock
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Sidelock
Joined: Feb 2011
Posts: 353 Likes: 50 |
Just have a question. How is a barrel liner put into a centerfire rifle? My research tells me that rimfire rifles are lined using epoxy but I somehow remember that epoxy is not used with heavier chamberings. Thank you.
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Joined: Jan 2004
Posts: 6,670 Likes: 372
Sidelock
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Sidelock
Joined: Jan 2004
Posts: 6,670 Likes: 372 |
_________ BrentD, (Professor - just for Stan)
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1 member likes this:
liverwort |
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Joined: Oct 2016
Posts: 284 Likes: 25
Sidelock
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Sidelock
Joined: Oct 2016
Posts: 284 Likes: 25 |
9372,my Husqvarna 9.3x57R(360) rifles are also a slow twist and do well with a 175 grain bullet and a 196 grain bullet (both from Accurate molds).
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2 members like this:
9372, Hoot4570 |
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