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Thread: 80% AR Jig
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November 14th, 2011, 12:00 PM #1
80% AR Jig
A friend of mine bought an 80% lower and decided to avoid the hassle and buy a cheap stripped lower instead. He then gave me this 80% and I want to go ahead and finish it... does anyone have a jig I could borrow? pm or email thanks!
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November 14th, 2011, 12:05 PM #2
Re: 80% AR Jig
what does an 80% lower consist of? or maybe a better question is, what does it NOT consist of?
To err is human, to be prepared divine
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November 14th, 2011, 12:20 PM #3
Re: 80% AR Jig
I don't have a jig *yet*, but I have been thinking about trying an 80% project, along with my own hard-anodizing.
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November 15th, 2011, 12:42 AM #4
Re: 80% AR Jig
http://www.colfaxtactical.com/ar15.htm
https://www.tacticalmachining.com/80...-receiver.html
These are 80% lowers from two big manufacturers. If we can get a few people together that want to do this, maybe we could have a drilling/milling party and split the cost of the jig.
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January 5th, 2012, 02:54 PM #5Active Member
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Re: 80% AR Jig
I work in a machine shop-job shop/repair shop and I like making tooling for something like this! If someone had 1 or drawings for the fixture I could make it given some time. Never know when I will be busy or sitting round twidling my thumbs.....
mark61
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January 5th, 2012, 03:07 PM #6
Re: 80% AR Jig
Is there some sort of appeal to these 80% lowers other than not needing to go through an FFL, and no paper trail? How much experience does one need to complete it? Assuming they have access to a milling machine of course.
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January 5th, 2012, 03:16 PM #7
Re: 80% AR Jig
It only requires a tight drill press and a jig to complete. It's supposedly pretty easy. The only reason I haven't done it yet is because I can buy a stripped lower for $70 or less at many suppliers, and the cheapest 80% lower is going for $80. These things should be selling for $35-$40.
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January 5th, 2012, 03:26 PM #8
Re: 80% AR Jig
Do they have serial numbers? If not, do you guys add your own serial number or leave it blank?
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January 5th, 2012, 03:48 PM #9
Re: 80% AR Jig
http://www.cncguns.com/tooling.html
There is also a tutorial linked to on the site. If you are handy with a drill press and can use calipers, then it doesn't seem THAT difficult.
Dunno if I'd have the patience to do it myself though.The problem with shooting Chinese bullets is 15 minutes later you wanna shoot again.
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January 5th, 2012, 06:08 PM #10
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