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Thread: Finished 80% cast receiver!!!!!!! by hand

  1. #11
    Always sore, always tired Bradrock's Avatar
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    I bought one from Sprat & I've seen a couple sold here on Gunco recently. Also common on Gunbroker. WIDE range on prices. I need to learn more on operating my little mill before I tackle this one! By then I hope to have a DSA receiver to try & copy. I have three FAL kits, but no receiver stubs. So. I don't know what I'll do about a feed ramp? I've never seen a stub offered for sale. I don't even know what they look like. Maybe I can make one after getting a DSA receiver in my hands?
    Good going Sprat! Let us know whay you learn about proper heat treating, as I may also have a treating oven by the time I try this project. I want to do some knife making & need an oven for that anyways.
    " Save a tree...........Eat A Beaver!"

  2. #12
    Gunco Member Racerex1's Avatar
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    Here is some more information on finishing a 80% casting.
    http://www.falfiles.com/forums/showt...threadid=60516

    I thought this could give you more information and have the patience to do it.

  3. #13
    Happy Camper hcpookie's Avatar
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    Quote Originally Posted by Racerex1
    Here is some more information on finishing a 80% casting.
    http://www.falfiles.com/forums/showt...threadid=60516

    I thought this could give you more information and have the patience to do it.
    Boy that thread isn't much help - "I think it is strong enough because it is so thick" and "I'm pretty sure you'll be OK".

    I dunno - I'm not afraid of building one of these but the heat treatment would *literally* be the "make or break" part of it. It probably would be OK for the typical plinker at the range, but I tend to run mine pretty hard and would hate to have a FAL blow up on me. I think until there is a *good*, well documented process, I'm going to have to stick with a DSA. Ask me again after someone publishes a heat treat how-to document!

  4. #14
    Always sore, always tired Bradrock's Avatar
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    Quote Originally Posted by hcpookie
    That's pretty cool! I know these need the heat treat based on the threads I've read, and let's not forget DSArms' treatment of the issue. I think they had some blow-up pics on their site, but I don't really remember that far back.

    Where do you find the castings these days? I saw one at a gun show one time, but that's the only one I've seen.

    Here ya go Pook:

    http://www.gunbroker.com/Auction/Vie...?Item=75889474
    " Save a tree...........Eat A Beaver!"

  5. #15
    Happy Camper hcpookie's Avatar
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    NO! DON'T TEMPT ME! I would do it then it would sit there forever while I searched and begged for someone to heat treat it for me! Sure is tempting, however. I wonder what is stamped on the side of it?

  6. #16
    Gunco Regular XSapper's Avatar
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    Quote Originally Posted by hcpookie

    Where do you find the castings these days? I saw one at a gun show one time, but that's the only one I've seen.
    I have one of these I'd like to sell. If your are interested send me a pm. I bought it and then ran into an Imbel receiver and couldn't turn it down. Couldn't wait to get the rifle shooting.
    Kevin

  7. #17
    gunco irregular moleman's Avatar
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    Didn't Rhineland arms or someone make a 45 ACP kit for a FAL receiver? I think you could build an unheat treated 45 Fal safely, but I'd be a little hesitant of the 308.

  8. #18
    Gunco Member 10mm's Avatar
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    IIRC the pictures on the DSA Arms website were of a blown up ALUMINUM upper receiver. I am not condoning shooting an unheat-treated steel receiver but I have not seen any steel receivers that were blown up from normal shooting.

  9. #19
    GuncoHolic Sprat's Avatar
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    range report

    well I took the unheat treated century casing out again after setting the headspace. The first two shots were with weak 40,000psi .308 reloads again used a string to pull the trigger and guess what happened???

    nothing

    no blown receiver , no cracks, no movement of anykind, including the the gas system as the reloaded rounds were to weak as expected

    then I loaded/shot two military 308 rounds as a proof load, only this time something happened!!!!

    the gas system pushed that bolt carrier back and ejected the cartridge not once but twice. I then shot the rifle with the remaining 15 weak reloads, standing and in the gun rest. there are still a few quirks to work out. at this point a functional single shot rifle.

    I need to tap the bolt carrier and form a cocking handle, because the ejector is wedged into the receiver the mag feed is/was not perfect, mag feed problems I am to understand from the threads on falfiles are common with century receivers whether 100% or 70%

    that Falfile post I saw that years ago but he didn't do it by hand tools, he used a milling machine and did a fine job including heat treating with he says he used a touch
    any cut or files areas are cold blued and will be parkerized and duracoated

    pictures are at homegunsmithing.com

    sprat
    Sprat and sprat1 are one and the same.

  10. #20
    dyi
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    Gunco Member dyi's Avatar
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    Holy crap batman where's my time machine! I bought a bunch of these for something like $40 a piece "back in the day" and got rid of them at some point.

    Quote Originally Posted by Bradrock

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