AR-47....7.62x39 meets the AR style rifle

Discussion in 'AR Talk' started by Alpha_Q, Jun 8, 2012.

  1. Alpha_Q

    Alpha_Q XDTalk Member

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    I finally bought my lower for my very first AR build. i'm a really big AK(or ak variant) guy but i have been wondering what caliber should i choose to build for my ar. i like the 5.56/.223 but i have seen uppers that are chambered for the 7.62x39. i like the accuracy of the ar platform but i like the knock down power of the ak.......does anyone have, heard, or seen this setup and know enough about it to provide pros and cons about it? all feedback welcome.
     
  2. AwPhuch

    AwPhuch XDTalk 15K Member

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    Get the .300 AAC Blackout

    Its a little more powerful than the 7.62x39 (and the .30-30)...its American produced rounds, can be both supersonic AND subsonic, and the nice thing is..you change NOTHING but the barrel..everything stays the same, mags, bolt, bcg.

    300 AAC BLACKOUT (300BLK)

    [​IMG]

    300 AAC Blackout (7.62×35mm) - Wikipedia, the free encyclopedia
    Maximum effective range =

    • 460 metres (503 yd) 125 grain supersonic
    • 200 metres (219 yd) 220 grain subsonic
    [​IMG]

    https://www.primaryarms.com/CMMG_UP...k=gdfV25369_a_7c1748_a_7c6696_a_7cCMMG30BF827

    These are comparable...but they are proprietary..thus have to go to specialized manufacturers and ammo producers...the blackout is NOT proprietary

     
  3. agould27

    agould27 XDTalk 1K Member

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    How does the 300 blackout compare to 7.62 price wise though? What I have researched so far its pricey.
     
  4. mhen

    mhen XDTalk 1K Member

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    Sooo unfortunately you have already bought the lower.... Rock River Arms has an LAR-47. It has a proprietary upper and lower, but can use all AR-15 accessories (such as rails and stocks) and also uses standard AK magazines.
    Rock River Arms: RRA LAR-47 7.62x39mm
    There are people out there who don't own RRAs that will hate on them all day, but the actual owners (me being one of them) Have never had a problem our RRA rifles and will buy from them again.
     
  5. Bonehead

    Bonehead XDTalk 15K Member

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    both 5.56 and the 7.62x39 ammo can be purchased as bulk milsurp.

    if cost is an issue either of them should fit your wallet.

    the 300blk is impressive though. I have no experience with it but everything I have seen about it makes me interested in it.
     
  6. AwPhuch

    AwPhuch XDTalk 15K Member

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    300 AAC BLACKOUT : Ammunition To Go

    300 AAC Blackout Ammo

    Against Russian bulk steel stuff...ain't no chance in heck

    Nice thing is

    http://www.advanced-armament.com/product.aspx?pid=898
    Get the dies...reload!

    Kinda difficult with 7.62x39 because the bullet size is actually .311 vs .308

    I have a full build RRA 16" midlength and it ROCKS!!!!! (got mine back when AR's were running $1000 to $1200 plus for almost the lowest of the low...got mine at a GREAT price for $750)
     
  7. Alpha_Q

    Alpha_Q XDTalk Member

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    That is my biggest concern. i dont think i have ever heard of the 300 AAC Blackout until now and im having a hard time finding it online in bulk. i read a few reviews for it and it is "similar" the AK round but with the availability of the 7.62 Soviet i'll have to do more research on the blackout cartridge. if there are any links or places i could order in bulk please list!!! I'm interested to find out more......
     
  8. AwPhuch

    AwPhuch XDTalk 15K Member

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    300 Blackout 115 Grain CTFB Remington UMC - 200 Rounds - Surplus Ammo

    200 for $129
     
  9. agould27

    agould27 XDTalk 1K Member

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    The 300 blackout would be and awesome deer maybe black bear rifle. SHTF gun ain't no way in heck it compares to russian suprlus ammo, or range time fun.
     
  10. Alpha_Q

    Alpha_Q XDTalk Member

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    i thought that any AR is interchangable and all you would have to do is change the upper, the mag, and the ammo? is that not right? the lower i have says it will accept any caliber i build it to.:???:
     
  11. Bonehead

    Bonehead XDTalk 15K Member

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    other than a unique weapon with a cool factor to it, I don't see the point of the AK mag AR lower when a standard AR lower will run x39 as well as other options.
     
  12. Alpha_Q

    Alpha_Q XDTalk Member

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  13. Bonehead

    Bonehead XDTalk 15K Member

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    $225 for 1000
     
  14. Alpha_Q

    Alpha_Q XDTalk Member

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    that's for the x39 right?
     
  15. mhen

    mhen XDTalk 1K Member

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    It is with a few calibers and a few styles. There are some proprietary components out there.
    5.56/.223, 6.5mm, 6.8mm, .300BLK can all be used in the same lower (usually)
    Usually .308 (7.62x51) is mostly proprietary

    7.62x39 (AK47 round) is fairly rare to find in AR form. If you look hard enough I believe they are out there, but I have yet to see one on a shelf somewhere...
    My vote would be to build yourself a black rifle using that lower you have (5.56/.223 or .300BLK) and buy an AK, or that RRA LAR-47.
     
  16. Bonehead

    Bonehead XDTalk 15K Member

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    sorry. yes.
     
  17. Mjolnir

    Mjolnir XDTalk 100 Member

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    From my understanding, x39 doesn't run well in mags that are meant to run in an Ar lower. The reason for the Ak's curved mag is to help with reliable feeding. So a Ar that accepts ak mags would be huge if you want the Russian ammo but not an Ak. The 300 blackout appears to be a great round, but if price and the ability to buy bulk is an issue, just stick to the x39. It is really effective.
     
  18. Fdxpilot

    Fdxpilot XDTalk 500 Member

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    Yes but that RRA is not really an AR. RRA loves to go their own way. Similarly, their 308 AR styled rifle doesn't conform to either of the two 308/7.62 AR standards (DPMS or Armalite.)

    here's a 7.62x39 AR that is interchangable

    [ame="http://www.youtube.com/watch?v=-DMAC6f3PBw"]Colt 7.62x39 AR15 Sporter Lightweight - YouTube[/ame]
     
  19. Alpha_Q

    Alpha_Q XDTalk Member

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    Problem with that is i have AK's and the downfall to it's design is it's accuracy but i love cartridge. i have seen plenty of .39 uppers for the ar platform and thought it would be great to have the knock down of the ak with the accuracy of the AR at a lower cost for ammo so i can be at the range longer......and why would a lower state that "any" caliber would work if it would pose a saftey issue. not being sarcastic ... just wondering....still an AR Newb.
     
  20. Dirty Rod

    Dirty Rod XDTalk 3K Member Founding Member

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    They exist. In addition to RRA, Armalite and PWS make x39 uppers. Here my Colt I bought in 92. I really enjoy shooting it but Colt doesn't make parts for it anymore so I've had to use Armalite extractors. Other than extractors the thing just works whether it's in the rain, mud, etc it just seems to be bulletproof - except the extractor.

    [​IMG]

    You definitely need to get x39 mags. Everyone's 5 and 10 round mags work since they fit in a straight body but hi-cap mags have always been the problem. Lots of folks don't like the old C-Products mags but those have been fantastic for me. Some of my C-Products mags are probably in the 8-10k round range.

    There are also those frankenmags around still for about $40. AR 10 round top welded on the AR mag and hold about 40 rounds. They are ugly but they work.
     

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