.308 Win my Armalite AR-10A4

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14 years 9 months ago #3013 by Falcon195
.308 Win my Armalite AR-10A4 was created by Falcon195
The roll mark on the receiver of my Armalite AR-10A4 saids 7.62.
It is my understanding that one shouldn't use .308win in any rifle marked 7.62 as the pressure ratings are higher for .308win.
What do you guys think?

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14 years 9 months ago #3015 by jam10x
Replied by jam10x on topic Re:.308 Win my Armalite AR-10A4
it dosnt matter,let me know how it shoots.

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14 years 9 months ago #3016 by jam10x
Replied by jam10x on topic Re:.308 Win my Armalite AR-10A4
do you have the 20 or 16 ?

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14 years 9 months ago #3018 by a Guest
Replied by a Guest on topic Re:.308 Win my Armalite AR-10A4
You guys need to use your heads on this stuff between the metric and english. Some of you beleave everything printed in books and magazines. Please explain how the same powders powders produce different pressure going from english and metric, can the powder read. You get as much pressure differance loading from a rainey day to a sunny day because the powder absorbs mosture in the air and the burn rates change. Leave your powder in the hopper for a few days and watch the groups open up with a weather change.MSH

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14 years 9 months ago #3019 by Falcon195
Replied by Falcon195 on topic Re:.308 Win my Armalite AR-10A4
jam10x wrote:

do you have the 20 or 16 ?


16

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14 years 9 months ago #3020 by BUILDING MY SASS
Replied by BUILDING MY SASS on topic Re:.308 Win my Armalite AR-10A4
Falcon, I have a AR-10 A4 CB, and I shoot .308 through it all the time. I am with MSH on this one, hands down......
The difference between the two is so slight, if any, NATO can't make up their minds on it, and some boxes of ammo have both listed on it as well.......308 Winchester / 7.62x51.
So there is no real difference, not like the 5.56 and .223, in that case there is a bit of a difference....just in case....you can shoot a .223 out of a 5.56 but it is not recommended to do the opposite, that is why if you buy a AR-15, get one that is chambered in the 5.56 so you can shoot both.....which to my understanding there is a pressure difference between those two but not the .308 vs the 7.62.
Not to be rude, but find the article you read that in and use it for the bottom of the bird cage.....LOL :lol:
BMS

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14 years 9 months ago #3022 by a Guest
Replied by a Guest on topic Re:.308 Win my Armalite AR-10A4
Falcon I didn't mean to come on strong but lets do this, if its a steal case type ammo go by the designation. If its brass case ammo go by the english designation, and that will be a good rule to keep you from trouble. and all the form members. That way there won't be any more confusion. The brass is much softer but thicker. This rule works for all calabers.MSH

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