Got something really cool

Discussion in 'NFA Weapon Discussion' started by wired, Jan 8, 2019.

  1. wired

    wired
    Yakima
    Well-Known Member

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    5.5" barrel SIG Rattler kit in 300 BO for a standard lower. I happen to have a SIG SBR lower this will go on nicely along with a SIG aluminum skeletonized stock.

    Ive been wanting to get one of the MCX's but really didnt want the pistol or to have to do another SBR stamp. Best of all worlds.

    oWquEy.jpg
     
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  2. SA Shooter

    SA Shooter
    Hillsboro, OR
    Silver Supporter Silver Supporter Bronze Supporter

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    Don't forget to keep us up to date on the build!
     
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  3. wired

    wired
    Yakima
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    It'll be a double build of sorts. The stock adapter that comes with the kit will go on my .22 LR SBR to make it a true folder with a magpul stock since it doesnt need a buffer tube. The SIG skeleton folder I had planned on putting on the .22 will go on the Rattler SBR. Both will be true folded while firing AR's. The parts should be in by Saturday then its lego time.

    I wish someone would build a 9mm upper that didnt need a buffer. Sig makes the MPX and it works just fine but it strikes me as odd that the after market hasnt figured out how to put a upper together that goes on a standard lower. The SIG upper is too short for a standard upper.

    SIG/M4 Rattler - Convert Your Existing SBR To A Rattler - GunsAmerica Digest
     
    Last edited: Jan 8, 2019
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  4. CountryGent

    CountryGent
    Southern Oregon
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    That does look like a very fun build. :D
     
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  5. wired

    wired
    Yakima
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    Still waiting on the wire frame stock but aint she pertty?

    88wGD8.jpg

    Z9cFmr.jpg
     
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  6. wired

    wired
    Yakima
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  7. ferret427

    ferret427
    Everett
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    Get a barrier stop or something for the underside of the foregrip so you don't burn/shoot your hand. But yeah, pretty!
     
  8. wired

    wired
    Yakima
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    Ha. My 9 mm SBR's are a lot shorter. I dont even grab the forend any more. Mag well grip only for me.
     
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  9. wired

    wired
    Yakima
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    Got the thin frame stock in. I'm liking it.

    TOWmRZ.jpg


    QBBaYU.jpg
     
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  10. ferret427

    ferret427
    Everett
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    I know that Sig has a pistol version with a collapsing brace, do you know if they offer the SBR configuration with a brace that is a side folder, or can you get the SBR configuration without the stock and get an aftermarket side folding brace?
     
  11. wired

    wired
    Yakima
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    The do not offer the side folder as a pistol brace. Best dollar spent is to get the Rattler kit and a standard virgin lower and build your own side folder with whatever "pistol" brace you want to use. The kits run about $1500 with match trigger set and folder adapter. Figure $200 more for a receiver and pistol brace. Its still $600 cheaper than you can buy a Factory SIG rattler for.

    SIG's got 3 or 4 different stocks for under $200
     
  12. ferret427

    ferret427
    Everett
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    How well does a SIG upper work with a standard AR lower? I have a Rainier Arms Ultra-match lower that I have laying around...
     
  13. wired

    wired
    Yakima
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    Works fine. No problem adapting one with the SIG adapter.
     
  14. ferret427

    ferret427
    Everett
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    Thanks!
     
  15. wired

    wired
    Yakima
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  16. MasterChief1

    MasterChief1
    ID
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    EXCELLENT BUILD! Thanks for bringing us along
     

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