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Posted: 10/3/2014 6:39:14 AM EST
I have no idea which one to get.
Link Posted: 10/3/2014 6:40:57 AM EST
link plz? i see nothing on amazon.
Link Posted: 10/3/2014 6:42:06 AM EST
Get the one on the left
Link Posted: 10/3/2014 6:44:05 AM EST
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Originally Posted By 3O8junkie:
Get the one on the left
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No, the one behind the second star to the left.
Link Posted: 10/3/2014 6:44:22 AM EST
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Originally Posted By Tekpc007:
link plz? i see nothing on amazon.
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Damn, they must have taken them off recently. They had 80% lowers on there labeled as "paperweights."

http://gunmartblog.com/2014/03/17/80-lower-receiver/
Link Posted: 10/3/2014 6:51:29 AM EST
Andersonrifles.com has 80% lowers for 45 bucks.
Link Posted: 10/3/2014 6:52:27 AM EST
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Originally Posted By wormgod:
Andersonrifles.com has 80% lowers for 45 bucks.
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What's your experience with these? What tools did you use?
Link Posted: 10/3/2014 6:59:01 AM EST
This was done with a drill press, x-y vise, jig and some cheap end mills from amazon.


My understanding is the Anderson lowers don't have a hole for the bolt catch roll pin, so that is an extra step that will need to be drilled. I believe Tactical Machining has a special deal on right now with an 80% lower and an upper receiver for $80. I would buy from them if I was buying this week.
Link Posted: 10/3/2014 6:59:16 AM EST
[Last Edit: 10/3/2014 6:59:29 AM EST by jefflebowski]
Link Posted: 10/3/2014 7:05:46 AM EST
[Last Edit: 10/3/2014 7:07:11 AM EST by outofbattery]
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Originally Posted By jefflebowski:


What's your experience with these? What tools did you use?
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Originally Posted By jefflebowski:
Originally Posted By wormgod:
Andersonrifles.com has 80% lowers for 45 bucks.


What's your experience with these? What tools did you use?



A $400 Craigslist Grizzly mill that just needed cleaning and collets.

Works great.
Link Posted: 10/3/2014 7:06:53 AM EST

Upper is added in the drop down box for $29.

The first jig I used was from SNA (part of the crowd funding they did), they supplied a very crappy jig that was different from what they had advertised. It sucked.

This one doesn't look too bad:
Link Posted: 10/3/2014 7:12:52 AM EST
I'd like to know this as well.
Link Posted: 10/3/2014 7:26:51 AM EST
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Originally Posted By jaqufrost:

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My understanding is the Anderson lowers don't have a hole for the bolt catch roll pin, so that is an extra step that will need to be drilled. I believe Tactical Machining has a special deal on right now with an 80% lower and an upper receiver for $80. I would buy from them if I was buying this week.
I just looked at the Anderson and Tactical Machining 80%ers in my safe. Anderson is indeed missing the hole for the bolt catch buffer and spring (not the roll pin hole), but the TMs are missing the whole takedown pin pocket in front of the buffer tube threads. That pocket is a much more critical machining operation since it holds the upper receiver from moving and centers it over the lower.

Get the Andersons and drill the bolt catch buffer/spring hole.
Link Posted: 10/5/2014 9:04:05 AM EST
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Originally Posted By jaqufrost:
http://www.tacticalmachining.com/80-products/80-receivers/80-ar-15-lower-receiver.html

Upper is added in the drop down box for $29.

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I would agree with getting a Tactical Machining at this time as they are Cerro Forge lowers and they are on sale. You can also get the anodized version for $5 more. If you use the older Easy Jig with this, the Anderson, or any other standard forged lower you will have to do some machining of the jig to get the bolt catch area to fit. They make a more universal Easy Jig now so that probably wouldn't need the modifications.

Tactical Machining 80% lower review

Here's a video on YouTube of the Easy Jig in use.
Link Posted: 10/5/2014 9:16:02 AM EST
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Originally Posted By jefflebowski:


What's your experience with these? What tools did you use?
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Originally Posted By jefflebowski:
Originally Posted By wormgod:
Andersonrifles.com has 80% lowers for 45 bucks.


What's your experience with these? What tools did you use?


I have two. Went together fine. The rear takedown hole was already drilled with a small pocket machines out. They didn't drill the hole for the bolt release spring. Besides that, same as any other 80%.

I have a Sherline mini mill with DRO and a grip of tooling.
Link Posted: 10/5/2014 9:17:27 AM EST
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Originally Posted By jaqufrost:
This was done with a drill press, x-y vise, jig and some cheap end mills from amazon.http://i739.photobucket.com/albums/xx39/jaqufrost/Mobile%20Uploads/2014-05/20140531_191848_zpsuhyxjema.jpg


My understanding is the Anderson lowers don't have a hole for the bolt catch roll pin, so that is an extra step that will need to be drilled. I believe Tactical Machining has a special deal on right now with an 80% lower and an upper receiver for $80. I would buy from them if I was buying this week.
View Quote


The bolt release roll pin was drilled on mine. It was the bolt release spring hole that wasn't.
Link Posted: 10/5/2014 9:35:38 AM EST
[Last Edit: 10/5/2014 9:36:35 AM EST by Paul]
Link Posted: 10/5/2014 9:37:41 AM EST
Just think of it as an expensive paper weight.


Then you'll be happier with yourself.





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