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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Wed Sep 14, 2011 4:50 am Post subject: Re: 6mm remington |
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I've understood that seating the bullet deeper in the case, or further from the lands, can decrease pressure because the bullet, being further away from the lands, is moving faster and transitions into the lands easier.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
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Aloysius Super Member
Joined: Nov 03, 2009 Posts: 2437 Location: B., Belgium
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Posted: Wed Sep 14, 2011 5:05 am Post subject: Re: 6mm remington |
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but on the other hand seating the bullet deeper means also decreasing the case's volume, which increases pressure...
lucky we don't alsways have to understand everything before we can use it
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Ominivision1 Super Member
Joined: Sep 20, 2010 Posts: 2984 Location: Iowa
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Posted: Wed Sep 14, 2011 5:42 am Post subject: Re: 6mm remington |
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Barnes Bullets did a lab test on seating bullets using pressure test barrels, click link to go to the page and scroll down to "From The Lab".
www.barnesbullets.com/...-bullet-n/
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SingleShotLover Super Member
Joined: Dec 26, 2007 Posts: 1005 Location: Illinois
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Posted: Thu Sep 15, 2011 4:52 am Post subject: Re: 6mm remington |
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Hmmm, Looks like in at least some cases the gun-writer pundit has it wrong. That's the problem with generalizations like that; they can lead people down the wrong (and potentially dangerous) path. Think I'll stick to my old way...if I change seating depth, start low and work the charge up.
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stovepipe Super Member
Joined: Sep 25, 2008 Posts: 4877 Location: Pine, Az.
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Posted: Thu Sep 15, 2011 2:04 pm Post subject: Re: 6mm remington |
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SingleShotLover wrote: |
Hmmm, Looks like in at least some cases the gun-writer pundit has it wrong. That's the problem with generalizations like that; they can lead people down the wrong (and potentially dangerous) path. Think I'll stick to my old way...if I change seating depth, start low and work the charge up. |
Yep!
The bullet is a plug.
Move it farther into the case the pressure in the case goes up. Move it out to JOTL and the chamber/case pressure also goes up.
Fatory hunt loads are mag lentgh or less for ease of cycling and unless you have zero freebore the bullet should be way off the lands. Youve smudge the cases and you dont have a headspace issue so if your handloads are hitting the lands and you are way under the MAX OAL somethings up- scrap them bullets and go to another brand that does not impead so much on the charge in the case/gives you a lot more room to the lands (gnetler ogive). Couldnt hurt to have the rifle insepcted as well to see if something is up or out of spec.
I'm suprised on my 300 how much freebore there is and how little powder I have to use to get results when I'm JOTL.
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chambered221 Super Member
Joined: Aug 17, 2007 Posts: 3455 Location: Lost for good !!!
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Posted: Mon Sep 19, 2011 6:30 am Post subject: Re: 6mm remington |
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Chris, The only advise I'll give about bullet selection is understand what it was designed to do and most importantly what it was not designed to do !!!
The reason you don't see Varget listed for the heavier bullets is simply because it's to fast burning to get the highest velocities possible. That's not to say you cant use it, you can if you want to.
We use RL22 with the 95 and 100 grain bullets.
_________________ Ask as many people needed, sooner or later your question will be answered the way you want it answered !!!
A free people ought not only to be armed and disciplined, but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government.
~George Washington |
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stovepipe Super Member
Joined: Sep 25, 2008 Posts: 4877 Location: Pine, Az.
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chambered221 Super Member
Joined: Aug 17, 2007 Posts: 3455 Location: Lost for good !!!
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stovepipe Super Member
Joined: Sep 25, 2008 Posts: 4877 Location: Pine, Az.
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Posted: Mon Sep 19, 2011 9:52 am Post subject: Re: 6mm remington |
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Hey Chamby- go check out the primer pic I posted in my Highpower thread I'm interested to know what YOU think....
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Elvis Super Member
Joined: Jul 27, 2008 Posts: 9239 Location: south island New Zealand
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Posted: Tue Sep 20, 2011 1:10 am Post subject: Re: 6mm remington |
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chambered I dont know where you are looking but in my ADI 3rd edition hand book 6mm Remington/.244 Remington has AR2208 loads for 55 grn projectiles right up to 107grn projectiles the 55s are going at 4014fps!!!! and the 107s are doing 2854 so thats reasonably quick.
_________________ You shot it You pluck it !
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Last edited by Elvis on Tue Sep 20, 2011 2:07 am; edited 1 time in total |
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Aloysius Super Member
Joined: Nov 03, 2009 Posts: 2437 Location: B., Belgium
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Posted: Tue Sep 20, 2011 1:55 am Post subject: Re: 6mm remington |
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Elvis, when you reload you have to pay attention to the little things, as often in life...
I think you wrote ".224 Remington" but meant ".244 Remington"
the main difference between the .244 Remington and the 6 mm Remington is besides the headstamp, the twist of the barrel used. Fast twist in the younger caliber 6 mm Rem for the heavy bullets, slower twist in the original caliber .244 Rem. for the light bullets (intended for varmint but used for deer and so causing stability problems in the heavier bullets).
So if you don't push them too hard, you might get a 55 grs bullet stabilized in the 6 mm Rem. but I fear pressure will limit you to give enough speed to stabilize a 107 grs bullet in a .244 Rem.
So even your ADI shouldn't mix both calibers.
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Elvis Super Member
Joined: Jul 27, 2008 Posts: 9239 Location: south island New Zealand
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Posted: Tue Sep 20, 2011 2:06 am Post subject: Re: 6mm remington |
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oops plurry typos
that reminds me
how do you know when a blond has been useing the computer????
twink on the screen.
(twink being the white paint type stuff in a wee container with a brush like nail polish)
_________________ You shot it You pluck it !
Them who eats the most duck eats the most feathers! |
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Aloysius Super Member
Joined: Nov 03, 2009 Posts: 2437 Location: B., Belgium
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chambered221 Super Member
Joined: Aug 17, 2007 Posts: 3455 Location: Lost for good !!!
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Posted: Tue Sep 20, 2011 8:11 am Post subject: Re: 6mm remington |
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Elvis, The book Chris has does not have it listed. Was only explaining why it's not always listed.
_________________ Ask as many people needed, sooner or later your question will be answered the way you want it answered !!!
A free people ought not only to be armed and disciplined, but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government.
~George Washington |
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chambered221 Super Member
Joined: Aug 17, 2007 Posts: 3455 Location: Lost for good !!!
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Posted: Tue Sep 20, 2011 8:15 am Post subject: Re: 6mm remington |
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Aloysius, 55gr. B-Tips work just fine in the 6mm...... If you look around I believe I have a picture and load data listed some where here.
It's running 4100+fps, just under max and no signs of pressure.
_________________ Ask as many people needed, sooner or later your question will be answered the way you want it answered !!!
A free people ought not only to be armed and disciplined, but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government.
~George Washington |
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