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fa91 advice

Discussion in 'Rifles' started by 350xfire, Oct 24, 2013.

  1. 350xfire

    350xfire New Member

    Oct 24, 2013
    Hello everyone. I found this site while looking for help on an hk91/g3 build. Just got a complete fa91 for a decent price and would like to get rid of the aluminum receiver and built it on a ptr91 receiver. Anyone in Texas that can help with the transplant? Can I reuse all the parts. Do I need anything else other than new receiver? The gun is actually complete and will probably fire as is.

  2. Gun Show Podcast

    Gun Show Podcast New Member

    Sep 14, 2013
    It seems to me you would be better off selling your rifle and buying what you want. The HK9x is not an AR that any monkey Can 'smith nor is it an AK that any mechanic can work on.

    A transplant will require drilling on expensive parts and welding up even more expensive parts while at the same time keeping them all aligned, and then the refinishing...

    I would sell it. Or shoot it as is....
  3. 350xfire

    350xfire New Member

    Oct 24, 2013
    That's the impression I'm getting... Thanks
  4. Atlas Thug

    Atlas Thug Member

    Oct 6, 2013
    Big FTW
    Thats exactly the same reason I personally dumped the PTR as my main gun for an LR 308.
    They are Pretty straight forward to work on, if needed.
  5. 350xfire

    350xfire New Member

    Oct 24, 2013
    It,s a cool gun. The germans just had to do it differently like everything else! Lol
  6. Southpaw

    Southpaw SUPER OWNER TGT Supporter

    Mar 30, 2009
    You may also hit up HKPRO Forum about this as well. They have a pretty active HK91/clone subforum over there and I have found it pretty helpful with my PTR.
  7. smittyb

    smittyb Well-Known

    Nov 12, 2009
    Cut N Shoot
    Join the FALFiles or HK pro forums and get in touch with GhilleBear. I don't know where you are located, but he is in Oklahoma, and is in Texas some for hunting. He can build it right, but it probably won't be cheap.
    Hopefully you didn't pay too much for it, this use to be a fairly popular conversion.
  8. robocop10mm

    robocop10mm Active Member

    Jan 9, 2009
    Round Rock HK/CETME freaks over there
  9. HKaltwasser

    HKaltwasser Active Member

    Don't dump it. Check your bolt gap , cocking tube gap and you should be good to go. I can give you some good buider references if you want but shoot it until the alluminum trunnion barrel pin loosens. Ghilliebear AKA Jeff Walters is the man for HK rebuilds. I can give you some links if you need on cocking tube gap...let me know if you need to know how to check bolt gap.

    Is there anything wrong or are you just going off of what you read?

    You should only need a new receiver and I can walk you through it if you have the right tools. If you are close to Austin, I'd be glad to help you out.
    Last edited: Oct 30, 2013
  10. 350xfire

    350xfire New Member

    Oct 24, 2013
    Ended up selling it. I really wanted an AR-10 to begin with... haha. I'm sure I have the tools but those roller bolt carrier guns seem to be a bit of a pain!
    Thanks guys

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