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Old 02-26-2014, 15:26   #1
jer9vs2324
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80 per cent AR lowers

I understand that this is a legal way to build your own AR without going through FFL or SN. Is this true and can someone recommend a good source for 80 AR lowers? Any tips on machining or building?

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Old 02-26-2014, 16:58   #2
vafish
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Do a google search for 80% lowers.

Get a lower and a drilling jig. Finish your lower, then build it into a full AR.

You tube has plenty of videos on how to finish them.


posted from my stupid smart phone, please excuse any spelling mistakes.
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Old 02-26-2014, 17:18   #3
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So by the time you get the jig, figure out how to finish the thing, outside of the small hassle of an FFL (speaking as an OH resident) do you really have anything to gain?


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Old 02-26-2014, 17:21   #4
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^ no

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Old 02-26-2014, 17:25   #5
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Tactical Machining and Ares Armor are two of many that sell 80% lowers.

You don't need the jig if you have access (and the know how) to a milling machine. I did mine on my mill with no jigs.

I get the raw lowers and send them off for hard coat anodize when they are finished. The anodizing makes the lower last longer and less prone to wear. Most often it is cheaper to buy a finished lower than an 80% so keep that in mind.
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Old 02-26-2014, 17:38   #6
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Originally Posted by mojohanna View Post
So by the time you get the jig, figure out how to finish the thing, outside of the small hassle of an FFL (speaking as an OH resident) do you really have anything to gain?


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You have learned the skill to make one and the satisfaction of having done it. Not to mention you now own your own homemade, one of a kind, completely unmarked AR lower.

So yeah, I think that is a net gain.
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Old 02-26-2014, 17:40   #7
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You have learned the skill to make one and the satisfaction of having done it. Not to mention you now own your own homemade, one of a kind, completely unmarked AR lower.

So yeah, I think that is a net gain.
Yea, too far for me. Give me a finished lower, stripped lower. That's enough for me.


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Old 02-27-2014, 05:35   #8
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So by the time you get the jig, figure out how to finish the thing, outside of the small hassle of an FFL (speaking as an OH resident) do you really have anything to gain?


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Yes, you have an AR that nobody can come looking for and try and take away and the biggest advantage is....drum roll please....you've basically have told the ATF to take a hike.
I will build one some day.
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Old 02-27-2014, 06:22   #9
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you can buy a fully finished PSA forged blem lower for $59. I doubt you can build your own 80% lower for that--and certainly not if your time is worth anything.

If you think the .gov doesn't know you own weapons because you didn't fill out a form you are living in a dream world. Ever shop online at say..Midway USA or order ammo online? Use a credit card in a gun store or buy to buy ammo at Walmart? They know...what do you think they do with all this metadata that gets collected.... they know....

The very fact that you are online and visiting a gun related website on the internet can be tracked. They know....
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Old 02-27-2014, 18:01   #10
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I have little to no skill with machining so I would butcher it beyond repair if I tried it. That being said as a project it would be fun to "build" that as part of a AR build. I better stick with the off the shelf lower receivers
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Old 02-28-2014, 06:02   #11
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I have little to no skill with machining so I would butcher it beyond repair if I tried it. That being said as a project it would be fun to "build" that as part of a AR build. I better stick with the off the shelf lower receivers
The jigs/templates they sell to make it easier.
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Old 03-08-2014, 14:04   #12
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Not sure this is totally due to the 80% Lowers but figured it was worth a post.

http://www.thebangswitch.com/ep-armo...ed-by-the-atf/
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Old 03-08-2014, 17:31   #13
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I have 5 finished out lowers, they were part of a couple group buys ordered by someone else so there is no record of me being involved. Buddy of a buddy has a computer controlled mill, I centered the jig and pushed the button for each step, so legal according the ATF regs saying the owner has to do the finishing. There is not a single identifying mark on any of them.

Yea, could have done it cheaper, but **** the ATF.

Laying in the parts for the first build which will be a 6.5 Grendel with a piston gas system and Timney trigger.
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Old 03-09-2014, 01:34   #14
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Not sure this is totally due to the 80% Lowers but figured it was worth a post.

http://www.thebangswitch.com/ep-armo...ed-by-the-atf/
Some shops with CNC machines have held build parties. They program the machines and set them up, then the owner of the 80% lower presses the start button. It seems the ATF frowns on this practice.
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Old 03-09-2014, 03:29   #15
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So by the time you get the jig, figure out how to finish the thing, outside of the small hassle of an FFL (speaking as an OH resident) do you really have anything to gain?


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Well, depending upon the state you live in, and if/what their Firearms Freedom Act says, possibly.


In states like AK, for example, you would have a rifle that you could put any length upper on, and not have to worry about doing paperwork/waiting for it to be an SBR.
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Old 03-10-2014, 22:10   #16
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Saving money is not the reason to choose an 80% lower. It's staying off of the ATF books.

If you're concerned about the milling process, try an 80% poly lower. You can finish these out with just a dremel.
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Old 03-14-2014, 06:57   #17
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A friend of mine has built 8 AK's from scratch and said they are not legal to sell if you build your own. Is that 100% true? He was a Class III Gunsmith so I just took his word on this. Does no serial number mean no resale?

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Old 03-14-2014, 07:02   #18
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A non serialized firearm can be built, but it can not be sold or transferred in any manner. Of course a series 7 FFL could serialize them.

The polymer ones were always very questionable to me, looks like the ATF is on a path of shutting down the shop that is producing them too.
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Old 03-14-2014, 07:21   #19
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Does no serial number mean no resale?
If you make one and sell it do you have really need to ask?
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Old 03-14-2014, 07:41   #20
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A non serialized firearm can be built, but it can not be sold or transferred in any manner. Of course a series 7 FFL could serialize them.

The polymer ones were always very questionable to me, looks like the ATF is on a path of shutting down the shop that is producing them too.
Not true.

You can't be in the business of selling them. But it is not illegal to sell a 80% lower that you completed.



posted from my stupid smart phone, please excuse any spelling mistakes.
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Old 03-14-2014, 08:03   #21
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Not true.

You can't be in the business of selling them. But it is not illegal to sell a 80% lower that you completed.
I will be sure to let the ATF agents know that their citations are wrong because vafish said so on GT.
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Old 03-14-2014, 11:04   #22
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A non serialized firearm can be built, but it can not be sold or transferred in any manner. Of course a series 7 FFL could serialize them.
.
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I will be sure to let the ATF agents know that their citations are wrong because vafish said so on GT.

Depends entirely upon the state.


In AK, it would be legal.

It would also, be illegal for a ATF agent to attempt to cite you.
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Old 03-14-2014, 12:10   #23
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I thought the ATF were FEDERAL agents that trump STATE law.

Is this not correct?

I don't believe that just because you live in AK, you can have a SBR and "nevermind" the whole gun control act of 1968

Somebody correct me if I am wrong?

For the record I wish none of the NFA/Gun Control Act existed.
I think, if you are a law abiding citizen, you should be able to legally purchase a silencer, newly manufactured machine gun, Short barreled rifle, short barreled shotgun, etc.

I think the NFA/GCA of 1968 needs to go away...
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Old 03-14-2014, 12:25   #24
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Much like how multiple states have enacted laws decriminalizing certain drugs, or outright legalizing them. Multiple states now, have done the exact same thing with gun laws.
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Old 03-15-2014, 20:52   #25
vafish
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I will be sure to let the ATF agents know that their citations are wrong because vafish said so on GT.
How about ATF's own documents from their Firearms Technology Branch:

http://www.victorinc.com/images/ATF%...-%20Pg%201.jpg

http://www.victorinc.com/images/ATF%...-%20Pg%202.jpg

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Also, for your information, a nonlicensee may manufacture a semiautomatic rifle for his or her own personal use. As long as the firearm remains in the custody of the person who manufactured it, the firearm need not be marked with a serial number or name and location of the manufacturer. However, if the firearm is transferred to another party at some point in the future, the firearm must be marked in accordance with the provisions set forth in 27 CFR § 478.92 (formerly 178.92).
So ATF says you can sell a home made firearm as long as you mark it appropriately. You cannot build them for the purpose of sale, only for personal use. But at some time in the future you can sell them.
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