SBR in 7.62 X 39. Thoughts? Advice?

4499 Views 22 Replies 11 Participants Last post by magikbullet, Jan 3, 2008

badman400

Discussion Starter · Nov 25, 2007

I bought my first XCR in 5.56/.223 a couple months ago and love it! My question now is about the 7.62 X 39 version. I have been wanting to acquire an SBR for some time now, and the urge just seems to keep growing. After seeing the pics of Roy's, I'm totally hooked! Thanks for helping to feed the sickness Roy. :banghead:

Anyway, I'm wondering how effective the 7.62 X 39 would be in a 12" SBR version. I read the poll thread that seems to favor an 18.6" bbl for 200 yds and above, but I am thinking more for CQB up to about 100yds.

I am a fan of the round in the AK-47. It's economical, hard hitting, and pretty accurate up to 100yds. I believe in an XCR it can be only better. What kind of range/accuracy could one expect from the 7.62 X 39 out of a 12" bbl, taking into consideration the adjustable gas system? Thanks in advance for any comments, thoughts, or advice. 8)

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Aussie Arms

· #2 · Nov 25, 2007

I'm sorry BadMan,

But I believe you had "the sickness" before I had a chance to pass it on. I may have nurtured it a little! :tiphat:

Anyway, getting back to your questions. Any SBR is going to give up two things by the nature of the shorter barrel: Terminal performance, and Accuracy.

If you want to make little groupings at 100, 200, or 300 yards plus I would say a SBR is not for you. If you want a rifle that has better handling characteristics for close quarter shooting I would say a SBR is the way to go. Up to 100 yards, unless you are bench shooting with a bi pod, or sand bags, I don't see much difference in accuracy. Terminal performance, any caliber when it leaves the barrel is slowing down and loosing energy. How much? You can look at all the figures and the charts, but ask yourself this. Why do I want a SBR and can I live with the "short" comings of loosing a little performance and accuracy.

I asked this of myself and for what I set this rifle up for my answer was of course: "Yes Way!"

Once you have an NFA registered SBR receiver you can swap what you like onto it, but it's always have a registered receiver.

Food for thought:

"To be, or not to be, that is the question......."

Sorry Dude! Now who's bad? :rofl:

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ny32182

· #3 · Nov 25, 2007

I don't think you will lose much, if any, accuracy just as a result of shortening the barrel. You will lose velocity of course, which will lead to less desireable ballistic performance at range, but as far as actual accuracy/repeatability... you should be good to go, with 5.56 at least. 7.62x39, well, I don't recall anyone ever really shooting tiny groups with that round anyway. Whether that is something that is inherent to the round itself, or just a result of most of the ammo out there, and most of the rifles out there that shoot it being somewhat less than "match grade", I don't know. That is one question I am hoping the XCR platform can answer for us, given good ammo of course.

gunner69

· #4 · Nov 26, 2007

I have a Krebs 103S, in 7.62x39, and I really enjoy it. It is the most accurate AK I have ever shot. Krebs takes a Russian AK, puts an AR style collapseable style stock, installs an Isrealy (sp?) selector(on the left where it belongs), tunes the Russian safety(duel safetys), Puts the AR style rear sites on a tightened upper cover, swaps out the grips with M249 (Machine Gun) style grips, and tunes everything. Ends up (nearly) a SBR. Handy as shit close up.... :2cents:

aziator

· #5 · Nov 26, 2007

I think any SBR is cool, Just get the receiver registered then you can SBR all your calibers for the XCR. Like others, I don't think you will loose much accuracy with it, they are not meant to be benchrest rifles to begin with.

Prizm

· #6 · Nov 29, 2007

I'm an SBR fanatic. I've used my 11" XCR in carbine class out to 300 yards, hitting steel with no problem. At 200 it's a walk in the park. Like Aussie said the handling characteristics are superb in a shorty platform. I've never thought of the 7.62x39 as a really accurate round. My interest in it is purely for it's punch. If I could get one of those shorty AK's I would but they are hard to find and expensive. But I think everyone has given you the pros and cons. Don't forget, you can always have two barrels. That's one of the great things about the XCR. Just change it out if you want to go and shoot long range.

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magikbullet

· #7 · Nov 29, 2007

my interest in the x39 xcr is in the sbr platform. I wannit!!!

of course I need a shorty .223 barrel too ;D

I've been putting off getting an ak waiting for this conversion. I'm keenly interested to see how the xcr's accuracy and reliability with the russian round is... :crossedfingers:

variablebinary

· #8 · Dec 3, 2007

C-Products better come through. I cant believe this conversion hasn't dropped yet. Way overdue IMHO

TerraShrewsbury

· #9 · Dec 3, 2007

well, they have mags we can use. now it's just a matter of getting things into production. You should see something in January. (if i can help it

)

Aussie Arms

· #10 · Dec 5, 2007

[glow=green,2,300]Mighty Good News![/glow]

badman400

Discussion Starter · #11 · Dec 5, 2007

Thanks for the replies guys, and Terra. 8)

Well, that settles it. I'm going for it as soon as it's available!

For some reason I was thinking I'd have to pay the $200 stamp for each caliber, but being that it's the reciever that's registered I can order a short barrel in 5.56, 7.62 X 39, and 6.8. Right?

Will the .308 XCR have the same receiver? Man, what a SBR that would be!

Somebody stop me!!!!!!!

Oh, and thanks again for the "encouragement" Aussie.

Sounds like the accuracy with a shorty will be more than acceptable with me. I'm not talking long range MOA accuracy here. I'm talking close in "meat and metal" quick handling.

In "short" (hah, I kill me ;D), I'm sold! Now to save the bones and get that stamp... :

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magikbullet

· #12 · Dec 5, 2007

badman400 said:
For some reason I was thinking I'd have to pay the 0 stamp for each caliber, but being that it's the reciever that's registered I can order a short barrel in 5.56, 7.62 X 39, and 6.8. Right?
RIGHT!

Will the .308 XCR have the same receiver? Man, what a SBR that would be!
no

Somebody stop me!!!!!!!
me too!

In "short" (hah, I kill me ;D), I'm sold! Now to save the bones and get that stamp... :
I need to get started on that too... So many guns, so little time (and $$$) :'(

Aussie Arms

· #13 · Dec 6, 2007

Go for it guys!

I'm waiting to speak with Alex about the minimum length barrel we can get on the XCR.

I will keep you informed!

badman400

Discussion Starter · #14 · Dec 8, 2007

Terra,
I got my ATF forms in the mail today for the SBR. Would it be possible to get the ball rolling before the short 7.62 barrel is ready? Pre-Order and send forms? That way the ATF could be taking their sweet time getting me approved while Alex is getting my barrel ready?

That I could be killing two birds with one stone, at the same time I'm twiddling my soooo impatient thumbs... ;D

Let me know. This sounds too sensible. Probably some rule that makes this impossible... :

Aussie Arms

· #15 · Dec 8, 2007

BadMan,

Are you going to register the XCR you have now?

badman400

Discussion Starter · #16 · Dec 8, 2007

Yes Aussie, thanks for the clarification. This will be my first one and still kinda confused as to the right order and steps. Just need to take time to read the steps on the RA site.

At first I guess I thought that RA had to do the install. :duh:

So glad to learn that's not the case! ;D

smschulz

· #17 · Dec 9, 2007

Man that SBR picture is really getting to me , thanks alot Aussie!

The 7.62 x 39 SBR is moving up the list FAST!

Aussie Arms

· #18 · Dec 9, 2007

You are welcome SMS. There's more photos in the Gallery!

TerraShrewsbury

· #19 · Dec 10, 2007

badman400 said:
Terra,
I got my ATF forms in the mail today for the SBR. Would it be possible to get the ball rolling before the short 7.62 barrel is ready? Pre-Order and send forms? That way the ATF could be taking their sweet time getting me approved while Alex is getting my barrel ready?

That I could be killing two birds with one stone, at the same time I'm twiddling my soooo impatient thumbs... ;D

Let me know. This sounds too sensible. Probably some rule that makes this impossible... :

we don't have pricing or anything ready for the 7.62 yet, so it wouldn't be possible to set up an order as of right now.... i'll let you know when.

badman400

Discussion Starter · #20 · Dec 11, 2007

TerraShrewsbury said:
we don't have pricing or anything ready for the 7.62 yet, so it wouldn't be possible to set up an order as of right now.... i'll let you know when.

I'll be waiting with bated breath!

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