7.62x39 Ar-15

Hermid

Hermid

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So I have been thinking of buying an AR-15 and I've been thinking of getting one with an 7.62x39 upper.

My big question is accuracy, I've watched a few you tube videos and accuracy seems to be all over the place and very dependent on which ammo you use...
 
Hermid said:
So I have been thinking of buying an AR-15 and I've been thinking of getting one with an 7.62x39 upper.

My big question is accuracy, I've watched a few you tube videos and accuracy seems to be all over the place and very dependent on which ammo you use...
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A .223 or 5.56 will be more accurate than a 7.62x39 simply because of weight and velocity of the bullet I believe. If that is what you are asking.
 
Once you narrow down to barrel length and model I'm sure someone here can tell you what they have experienced. I have a thread going on my NEA in x39, I'm going to do some testing with 7 different surplus and new production ammo this weekend - I honestly don't know what to expect.
 
If you want to shoot tiny groups, get something else.

Enjoy it for what it is, a 2-3 MOA rifle shooting really cheap ammo.
 
I recently purchased a Dlask 16" 7.62x.39 classic a2 configuration shoots decent groupings for what it is , honestly though unless its just to go to the range and pound rounds at paper for fun without great expectation I would buy a .556 .

There are so many options in the AR platform research figure out what you want from a rifle and than buy , if being able to shoot lots because your on a budget than 7.62 x 39 would be good I waited until I had others , I like my 9mm much much more and its not too pricy too shoot .

Bushy
 
In my Windham 7.62x39 I would agree that 2-3 MOA @ 100yds is the best surplus can do.
My Troy 5.56 can beat that because it is better ammunition.
Put as good ammo in the 7.62x39 and you'll have the same result, but the cheap surplus is the draw here.
 
On a 10" PSA upper, I had difficulty keeping it under a 6" grouping at 100M. Lots of fliers and general drifting. I never fired from a 14"+ barrel, and would hope the accuracy would improve as such.
On the flip side, a 16" .223 i'm 1" with a Windham upper.
 
Hermid said:
So I have been thinking of buying an AR-15 and I've been thinking of getting one with an 7.62x39 upper.

My big question is accuracy, I've watched a few you tube videos and accuracy seems to be all over the place and very dependent on which ammo you use...
Click to expand...

If you are worried about accuracy you are shopping in the wrong place. 7.62x39 is a great cartridge for cheap surplus ammo to do lots of fun blasting with, but it isn't a benchrest cartridge. 5.56/.223 will eat it for breakfast on the accuracy front.


Stevo said:
If you want to shoot tiny groups, get something else.

Enjoy it for what it is, a 2-3 MOA rifle shooting really cheap ammo.
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+1.


Mark
 
CraigNConnor said:
hahahahahahha LOL
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All projectiles are effective out of a short barrel, however I feel he meant a big slowed down 30 caliber projectile is far more effective then a small and slow .22 caliber projectile out of an SBR.

This is why the 300 ACC was developed specifically for SBR's over the 5.56. So in theory P80 is correct.
 
Sqr said:
All projectiles are effective out of a short barrel, however I feel he meant a big slowed down 30 caliber projectile is far more effective then a small and slow .22 caliber projectile out of an SBR.

This is why the 300 ACC was developed specifically for SBR's over the 5.56. So in theory P80 is correct.
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Thank you, your correct they are all effective to an extent. What I'm saying is that a .30 bore has the volumetric capacity to burn the powder charge while the .22 bore needs barrel length of 14+ inches to burn a powder charge that a .30 will do in 8 inches. My math clearly isn't exact but I have done the research and it's close.
 
Paddy80 said:
Thank you, your correct they are all effective to an extent. What I'm saying is that a .30 bore has the volumetric capacity to burn the powder charge while the .22 bore needs barrel length of 14+ inches to burn a powder charge that a .30 will do in 8 inches. My math clearly isn't exact but I have done the research and it's close.
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Now I know why the 7.62x39 barrels make better use of the carbine length gas tubes.
 
Paddy80 said:
Thank you, your correct they are all effective to an extent. What I'm saying is that a .30 bore has the volumetric capacity to burn the powder charge while the .22 bore needs barrel length of 14+ inches to burn a powder charge that a .30 will do in 8 inches. My math clearly isn't exact but I have done the research and it's close.
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And thats why I have an 8.5" .300 blk build.
 
Paddy80 said:
Thank you, your correct they are all effective to an extent. What I'm saying is that a .30 bore has the volumetric capacity to burn the powder charge while the .22 bore needs barrel length of 14+ inches to burn a powder charge that a .30 will do in 8 inches. My math clearly isn't exact but I have done the research and it's close.
Click to expand...

Huh, that actually makes sense.
 
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