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80% jigs

Discussion in 'Maintenance & Gunsmithing' started by Cherpybird, Oct 22, 2015.

  1. Cherpybird

    Cherpybird Portland Active Member

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    I'm not sure where this belongs so I'm putting it here for now.

    I'm looking at buying an 80% lower so that I have a spare, should mine break. However I am without a jig and because I'm slightly cheap do not want to buy one.

    I'm wondering if I buy two, and someone on here is able to show me how to complete the lower, I can give them the second one for helping me out.
     
  2. ConcreteJungle

    ConcreteJungle Eugene Well-Known Member

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    why not just go out and pick up a stripped lower that's all ready to go.
    you can get them for $70-80 all day long.
     
  3. etrain16

    etrain16 Oregon Bronze Supporter Bronze Supporter

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    Probably the same reason most folks buy 80% lowers - no BGC, no registration.
     
  4. bolus

    bolus Portland Gold Supporter Gold Supporter 2015 Volunteer 2016 Volunteer

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    Assuming AR15, get an easy jig from 80% arms. You need a router and preferably a drill press. My son in law and I used this kit with no experience just watching their videos and it pretty easy to do. Both our lowers have performed flawlessly.

    http://www.80percentarms.com/collections/lower-jigs/products/80-ar-15-easy-jig
     
    etrain16 likes this.
  5. etrain16

    etrain16 Oregon Bronze Supporter Bronze Supporter

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    I've had my eye on one of those jigs for a while. Probably around the 1st of the year.

    My favorite line from their website: It truly makes finishing your lower a monkey simple process.
     
  6. bolus

    bolus Portland Gold Supporter Gold Supporter 2015 Volunteer 2016 Volunteer

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    I did break a flute off the milling bit with my router. It does help to have a second person to turn on the router while you hold it in position so it does not hit anything. But I finished my lower even with the broken bit, so yeah pretty easy.
     
  7. etrain16

    etrain16 Oregon Bronze Supporter Bronze Supporter

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    Very easy solution if you don't have a 2nd person to turn the router on/off for you - a simple foot switch. A variety of models are available, this one is only $25 on Amazon:

    61EsPRWRM1L._SL1200_.jpg

    http://www.amazon.com/HFT-96619-Momentary-Power-Switch/dp/B004LJ6KUK
     
    rdb241 and DuneHopper like this.
  8. bolus

    bolus Portland Gold Supporter Gold Supporter 2015 Volunteer 2016 Volunteer

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    Yeah, I have one of those now for making stocks.
     
    cooper and etrain16 like this.
  9. Cherpybird

    Cherpybird Portland Active Member

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    I have a drill press, I would like to avoid spending more money that I have to on additional tools. If anyone wants a free 80% for helping me out with completing an 80% lower please IM me.
     
  10. bolus

    bolus Portland Gold Supporter Gold Supporter 2015 Volunteer 2016 Volunteer

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    If you do end up getting the 80% arms easy jig, the one Im familiar with that needs the router, I'd be happy to assist you on your build. You would not have to buy an extra jig for me since I have one already. just let me know
     
    cooper, gundog10 and Dyjital like this.
  11. Cherpybird

    Cherpybird Portland Active Member

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    It is an 80% lower that I'm offering. The most reliable jigs I've found cost around $120, and I will likely only use it the once.
     
  12. bolus

    bolus Portland Gold Supporter Gold Supporter 2015 Volunteer 2016 Volunteer

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    Sorry, misunderstood. Best of luck though. Very satisfying project to get one built
     
  13. 2A2Dend

    2A2Dend .. Well-Known Member

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    I ordered the 80% Arms jigs...then cancelled the order. I'm not sure what jig I should get.
     
    Last edited: Feb 10, 2016
  14. wobski

    wobski Portland Member

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    Chirpybird: Your inbox is full. I have an 80percentarms easy jig. Drill press and a router and bits are needed. I would consider letting you use it for an afternoon in exchange for one of your 80%. Clear out some of your messages and send me a direct message and we can work something out.
     
    cooper likes this.
  15. bnsaibum

    bnsaibum Corvallis, OR Well-Known Member 2015 Volunteer

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    C2A2Dend, check out Modulus Arms Universal jig. It appears to actually be a universal jig. They also have a heavy duty version with some steel components.

    http://www.modulusarms.com/features/
     
    2A2Dend likes this.
  16. 2A2Dend

    2A2Dend .. Well-Known Member

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    I'll assume you have no personal feedback in them? You don't imply as if...
    Will look into it more.
     
  17. bnsaibum

    bnsaibum Corvallis, OR Well-Known Member 2015 Volunteer

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    No personal feedback... yet. ;)
     
  18. Mkilla1224

    Mkilla1224 Pennsylvania New Member

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    Tactical Machining has some nice jigs and 80%.

    I have used them and they are flawless!
     
  19. 2A2Dend

    2A2Dend .. Well-Known Member

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    Picked up a Juggernaught Tactical 308 jig, new for $60 and tucked it away. :D
     
    Mkilla1224 likes this.
  20. bnsaibum

    bnsaibum Corvallis, OR Well-Known Member 2015 Volunteer

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    I recently purchased the heavy duty jig Modulus Arms makes, but haven't had the time to put it to use yet. From putting it on a few different forged 80% lowers it does appear to be truly universal, but I don't have a billet 80% lower to try it on. When I get a chance to use it in the next few weeks I'll let you know what I think of it. It does appear to be well engineered at this point, but actual use will tell how accurate that assessment is.