7.62 or 5.56


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bcuster
February 9, 2008, 05:19 PM
I'm new to the AR15 world and want to buy one within the next couple of months. Does anyone have a preference of 7.62 caliber vs. 55.6 caliber. Any help would be greatly appreciated.

Brad:)

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RockyMtnTactical
February 9, 2008, 05:25 PM
I like 5.56 because it is far more common to find quality parts and mags...

More importantly I think the 5.56 fits my purposes and excels in urban environments.

You really need to ask yourself what it is you are going to want this AR to do...

TexasRifleman
February 9, 2008, 05:41 PM
I'll draw down the wrath here but it's my opinion that the AR design is not the best available for the 7.62x51.

If you want AR, go 5.56. If you need 7.62x51 there are much better choices, apologies to those with .308 ARs, just my opinion, feel free to tell me how wrong I am :)

atek3
February 9, 2008, 06:06 PM
if you search the archive here you'll find a thousand threads hashing this one out but in general i'd agree with the previous posters.

The AR-15 in 5.56 is a great gun with tons of aftermarket support. AR-10 type rifles are considerably heavier and more expensive (both to buy and to shoot).

atek3

Seafarer12
February 9, 2008, 06:08 PM
you talking about 7.62x39 or 7.62x51 ?

Professor Gun
February 9, 2008, 07:15 PM
I have ARs in 5.56mm and in 7.62 X 51mm. Love them all. I also have an
M1A in 7.62 X 51mm that I would never part with.

Handle as many varieties as you can, get the one you like best and your checking account can handle. Practice with it a lot.

casio02478
February 9, 2008, 07:22 PM
+1 on the 5.56. By going this route you can cut down on the ammo cost and a greater variety of rifles to choose from.

Samuel Adams
February 9, 2008, 07:27 PM
+1 on the 7.62. I loved the M-1A and M-40 I used to have (still weeping). In addition, there is a big reason M-14s are being taken out of storage and sent back into service.

orionengnr
February 9, 2008, 07:27 PM
My first thought was that he was talking 7.62 x 39. But none of us knows for sure.

This is a good example of why it is important to be clear in your thinking, and to express yourself clearly as well...

possum
February 9, 2008, 09:35 PM
I like 5.56 because it is far more common to find quality parts and mags...

More importantly I think the 5.56 fits my purposes and excels in urban environments.

You really need to ask yourself what it is you are going to want this AR to do...
+1
i prefer the 5.56 for what i am gonna be using my ar for, and the niche that it fills. the 7.62 ar's are nice, and since i already have a 5.56 ar then a 7.62 might be something for me too look at later, but i take the 5.56 first and foremost.

Seafarer12
February 9, 2008, 11:28 PM
My first thought was that he was talking 7.62 x 39. But none of us knows for sure.

This is a good example of why it is important to be clear in your thinking, and to express yourself clearly as well...

I think he needs to clearify it. I mean if he is talking about a 7.62x 39 most of these posts don't mean a thing.

If he is just talking about the caliber purely. I got to say 30 caliber. Makes a bigger hole. Most of the time it has more punch. I mean a 22 is good for paper, little critters, cans.

BigMike66
February 10, 2008, 10:07 AM
As so many others have already posted: what is your intended use?

I spent considerable time researching which caliber for my first AR. I was dead set on 6.8 SPC because it fit my needs for an "assualt" rifle. My intended use would was for when SHTF; meaning 100 yrds or so. The 6.8 far outperforms the 5.56, in this respect.

The 6.8 is NOT readily available as I had hoped (ATT, but may change in time). So, when SHTF, I need to consider what everyone else is using for when I need to pick-up whats left on the street. Unless we're invaded, it won't be 7.65, it'll be 5.56.

The .308/7.65 can be considered a "battle" rifle. Good out to a 800 yards. But with that comes extra weight, and the ability to control recoil (semi-auto not bolt).

Check out this excellent article:

http://anarchangel.blogspot.com/2005/03/right-weapon-for-job.html

I have a NIB AR-15 in 5.56 sitting here.

Mike

lanternlad1
February 10, 2008, 12:23 PM
http://www.youtube.com/watch?v=G6BpI3xD6h0

I would suggest 5.56 for long range work (but not hunting) and 7.62 for close range (HD).

chauncey
February 10, 2008, 07:49 PM
I know the AR was originally designed for 7.62, but most parts on the market are for 5.56. for your first 7.62 rifle, I'd suggest something with easy to find, (mostly) standardized parts (I don't think all 7.62 AR parts are interchangeable). for 7.62, why not try M1A, FAL or HK clone?

KC&97TA
February 10, 2008, 10:03 PM
This is simple; Buy both a AR15 and a AR10... sorry Black Rifle Disease... 1911 sickness, I'm past the point of no return.

I like my M4-gery for it's compactness... it's only two differences between my issued and personal its; 1-1/2" longer and no select fire.

I like my wifes A2 stocked NM, for it's long range accuracy, I also like her $300 gissel trigger, when I put my extra 18" SPR upper on it with a bi-pod.

I'm currently building a .308 on a Fulton FAR lower, it's going to be a 20" upper, haven't decided on a stock???? I want to hunt Deer with it, other wise it's just another toy.

For those of us who've chosen both, they all have a different purpose, but they all could be used for the same thing. One of the next projects on the list is going to be a 6.8spc upper... that will make 2 extra uppers... BRD is telling me to buy 2 more lowers but the state of CA is telling me that I should just stick with my 2 untill I go to a more friendly state, were I won't have to nuter my "sport utility rifles".

6.8spc is another story of itself, basically a sub-short action .270, it still hasn't caught on like alot wanted it to, no it's not used in the General Army or Marine Corps, it's more popular in the civilian sector, pretty much guys like me who need another excuse to buy something as our wives spend outrageous ammounts of money on hair, nails, make-up and shoes ;)

AR15's are standardized though, which makes tricking them out easy, pretty much like a mans Barbie Doll, yes I just compared a "semi-automatic sport utility rifle" to a plastic doll. AR10 style rifles aren't, there are 4 players in the .308 game; Armalite, DPMS & Fulton, Knight's Armament and recently RRA... (if you find a Bushmaster .308... RUN AWAY it has Zombie Plauge on it). All 4 companies, use different lowers, uppers and magazines.

HOLY DIVER
February 10, 2008, 10:15 PM
stick with 5.56 in my opion......7.62x39 is a good round if you shooting under 150yd and if your shooting under 150yd all you need is a ruger mini-30
an AR-15's strong point is its allot more accurate than any outher combat rifle
if you chamber it in 7.62x39 its realy no better than a AK-47 or mini-30
just my opion(please take it easy on me)`

Clint C
February 11, 2008, 03:06 PM
I would go with the 5.56 not any 7.62. The 5.56 is more versatile unless you plan on shooting through cement blocks and being cool looking infront of your friends. Also make sure you go with the 5.56 not the .223 chamber.

benEzra
February 11, 2008, 05:09 PM
In an AR, I'd prefer the 5.56x45mm model. If you want a heavier caliber in an AR-15, you can always step up to a 6.5mm Grendel or 6.8mm Remington upper later, but you can't retrofit an AR-10 to make it as light and compact as an AR-15.

Bazooka Joe71
February 11, 2008, 05:23 PM
I usually try not to pass judgement, but I'm begining to wonder if the OP was just another pot stirrer...He made a post about two calibers that frequently get argued and has not even bothered to check the responses since he posted(last activity 2/8/08 @ 4:19), not to mention we don't even know what 7.62 he's talking about...Last time I checked, there were a few of them:)

chauncey
February 11, 2008, 09:05 PM
I usually try not to pass judgement, but I'm begining to wonder if the OP was just another pot stirrer...He made a post about two calibers that frequently get argued and has not even bothered to check the responses since he posted(last activity 2/8/08 @ 4:19), not to mention we don't even know what 7.62 he's talking about...Last time I checked, there were a few of them

we've Been TRICKED!

KI.W.
February 12, 2008, 09:35 AM
You tell me,please

http://splodetv.com/video/ar15-explodes-his-fase or

http://splodetv.com/burning-ak :rolleyes:

http://splodetv.com/300-rounds-m4

H2O MAN
February 12, 2008, 09:39 AM
I like the AR platform for 5.56 x 45 NATO.
I like the in M14 platform for 7.62 x 51 NATO.

KI.W.
February 12, 2008, 09:51 AM
I like women too.......

http://splodetv.com/video/hot-women-smoking-barrels

and some ordinary rifles

http://www.youtube.com/watch?v=y_FJ5y6PtpQ&feature=related

BigMike66
February 12, 2008, 11:48 AM
I would go with the 5.56 not any 7.62. The 5.56 is more versatile unless you plan on shooting through cement blocks and being cool looking infront of your friends. Also make sure you go with the 5.56 not the .223 chamber.


Wylde chamber in my RRA is .223 and 5.56.

KBintheSLC
February 12, 2008, 05:28 PM
I'll draw down the wrath here but it's my opinion that the AR design is not the best available for the 7.62x51.

If you want AR, go 5.56. If you need 7.62x51 there are much better choices, apologies to those with .308 ARs, just my opinion, feel free to tell me how wrong I am

I have to agree with you here. If you want an AR, grab a 5.56. If you want a 7.62X51, check out the M1A, FN FAL, hell even a Saiga .308 will do.
First you need to decide what the rifle is going to be used for. For close quarters, urban, HD use, the 5.56 is great. If you need it to work past 300 yards, go 7.62.

I would suggest 5.56 for long range work (but not hunting) and 7.62 for close range (HD).

I think you have it backwards.

Firepower!
February 13, 2008, 04:13 AM
TexasRifleMan is right with respect to AR15 design and 5.56.

All I have to say is that it is important to know what you want to use the caliber for? And if you were to consider something outside AR design- if so then depending on your need/use we can give you better advice in these two calibers.

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