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12-08-2012, 03:39 AM
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#1
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AR-10 build
Question....What is the equivelant Nato round to the .308? For instance, .223 has 5.56. On a CMMG stripped lower, it is marked 7.62, so would it be 7.62X54 or 54R?
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12-08-2012, 04:01 AM
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#2
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7.62x51 is .308
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Oh dern....
Revelation 19:11
And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.
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12-08-2012, 06:45 AM
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#3
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How readily available is 7.62X51? Would it be better to stick with the .308 because of availability?
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12-08-2012, 10:50 AM
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#4
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Get an upper chambered in 7.62x51, then you can shoot both the 7.62 and .308 rounds. Both seem plentiful.
__________________
Oh dern....
Revelation 19:11
And I saw heaven opened, and behold a white horse; and he that sat upon him was called Faithful and True, and in righteousness he doth judge and make war.
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12-08-2012, 02:46 PM
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#5
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7.62X51 NATO is the standard cartridge of both M60 and M240 general purpose machine guns.
It's also used in the M21 and M40 sniper rifles.
There's tons of it around, but it isn't cheap.
Last edited by locutus; 12-08-2012 at 02:54 PM.
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12-08-2012, 03:22 PM
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#6
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We reload, all the components you need for 7.62 Nato / .308 are available everywhere.
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“Life’s tough … it’s even tougher if you’re stupid.”
John Wayne
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12-08-2012, 11:01 PM
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#7
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Quote:
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Originally Posted by rmcmahanP345
How readily available is 7.62X51? Would it be better to stick with the .308 because of availability?
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.308 and 7.62x51 are the exact same thing
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LIVE FREE OR DIE!
MOLON LABE！
“The beauty of the Second Amendment is that it will not be needed until they try to take it.”- Thomas Jefferson
“Disarm the people- that is the best and most effective way to enslave them.”- James Madison
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12-09-2012, 12:53 AM
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#8
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Quote:
Originally Posted by FullautoUSA
.308 and 7.62x51 are the exact same thing
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Quote:
Originally Posted by kytowboater
7.62x51 is .308
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they are not the same.
308 is not safe to shoot in a 7.62nato chambered firearm. the lead on the throat in the 7.62nato is much shorter than a 308winchester chamber. longer ogived bullets you find in some off the shelf ammo can cause dangerous overpressure levels in a 7.62nato chamber.
its the same difference as 556 and 223 except the civvy version in this caliber is the more versatile chambering.
if you have a 7.62nato and the owners manual doesnt say it is safe to use 308winchester do NOT use ammunition off the shelf for 308winchester in it. stick with 150grain bullets or less. if you reload and want to use heavier bullets in a 7.62nato you need a chamber gage of some sort like the hornady locknload bullet comparator and chamber gage so you can find the proper lead from the ogive.
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Last edited by JonM; 12-09-2012 at 12:59 AM.
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12-09-2012, 11:51 PM
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#9
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Quote:
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Originally Posted by kytowboater
Get an upper chambered in 7.62x51, then you can shoot both the 7.62 and .308 rounds. Both seem plentiful.
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Isn't the .308 a higher pressure round than the 7.62 meaning you should buy the .308 in order to shoot both? I could be wrong but I thought I read this somewhere just making sure
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12-10-2012, 04:11 AM
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#10
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Quote:
Originally Posted by asmith2690
Isn't the .308 a higher pressure round than the 7.62 meaning you should buy the .308 in order to shoot both? I could be wrong but I thought I read this somewhere just making sure
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Same pressure curve. 308 chambers are longer in lead than nato so some hunting off the shelf ammo can cause over pressure from the bullet ogive too far forward coming into contact with the rifling when chambered in a 762 nato gun. You can have a gunsmith cut a nato chamber to 308 spec then its not an issue
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"Gun control: The theory that a woman found dead in an alley, raped and strangled with her panty hose, is somehow morally superior to a woman explaining to police how her attacker got that fatal bullet wound." — L. Neil Smith
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