5.56 or 7.62x39 for 8 inch Krink?

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Go x39 - not nearly as dependant on velocity as 556. Depending on ammo, with an 8" barrel, 5.56 may not even have enough velocity for good fragmentation at point blank range. Even if you were mistaken and meant 5.45 (not 5.56) I'd still go x39.
 
5,56 krink would usually net you more money collector wise. they are not that common.

i would go with a 5,45 krink cheaper ammo, and easier to control in rapid fire mode, and its the orginal chambering of the AKS-74U the russians never chamberd a short barreled AK in the 7,62 configuration.
 
xd45gaper said:
5,56 krink would usually net you more money collector wise. they are not that common.
They will cost you dearly up front, too. They are NOT COMMON.
xd45gaper said:
the russians never chamberd a short barreled AK in the 7,62 configuration.
No, but the Yugos and Bulgarians have. . .
 
I lingered on the same decision for a while. I went with the 7.62x39mm version for a couple of reasons...
1) Out of an 8" barrel, the 7.62x39mm loses only 250-300 fps. With soft point ammo, that is still more then enough velocity for controlled expansion.
2) 7.62x39mm is much cheaper then 5.56x45mm ammo.
3) It's easier to suppress 7.62, because subsonic bullets can be had.
4) Better barrier penetration at the given velocities.
5) You can use regular AK mags... not expensive polymer 5.56 mags.
 
I own a SBR AK in 7.62 (8 inch barrel). Its not a AKS74uU but it is short barreled. Get the 7.62 and don't look back. One thing I had installed and I highly recommend is the G3 front and rear sites. It makes a big difference in shooting enjoyment.
 
7.62x39 freakin hurts to shoot, even with the Krink break and double hearing protection.
5.56 is still loud as crap but the crack does not give me a headace.
I don't know how long the barrel was on the krink I shot but the 5.56 I'm comparing it to was 7.5
 
Go x39 - not nearly as dependant on velocity as 556. Depending on ammo, with an 8" barrel, 5.56 may not even have enough velocity for good fragmentation at point blank range. Even if you were mistaken and meant 5.45 (not 5.56) I'd still go x39.
This was what I immediatey thought of too.

Out of a 9 inch barrel the 5.56 won't have anywhere near the velocity that it does out of a 20, 18 or 16 inch barrel. Even with the 14 inch M-4 barrel there have been alot of reports from Somalia, Iraq and Afghanistan of American troops having to shoot the enemy several times in order to put them down. That hasn't really ever been a problem with the A1, A2 and A4 because of the longer barrel length. Although you will probably never use it for hunting or self defense, if you did want to use it for those purposes it would be nice to know that it would perform the way you'd like it too.

With the 5.56 and the .223 it's dependent upon that high velocity to fragment and yaw, thus creating a larger wound. The less barrel you have the less velocity there is. I'd go with the 7.62X39 for this reason alone.

The decreased price in bulk ammo is just another bonus.
 
Why is 5.45 x 39 the fat-girl-at-the-school-dance in this discussion? :confused:

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Simple, When an american manufacturer picks up 5.45 ill think about it, theres nobody making it here. Which means its limited to imported ammo.
 
7,62 is pretty much limited to import ammo, except for the crap winchester sells at 15$ a box.

just stock up on 5,45 ammo is dirt cheap ranging from $119 per 1080 russian or bulgarian surplus. to $160 per 1k wolf.

i dont know how many rounds a year you shoot, but 10-15k rounds of 5,45 ammo is very easy to obtain at current prices. just think what you will pay if they stop importing cheap russian 7,62 ammo.
 
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