80% AR Lower

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DamnYankee
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80% AR Lower

#1 Post by DamnYankee » Mon May 20, 2019 9:59 pm

Who has done one and what tips/advice would you offer. I’m getting an itch. Less about the “under the radar” aspect more about the challenge of doing it. I don’t have a mill or anything but do have a nice table top drill press. Not interested in buying a jig unless I can talk a friend into going in on it with me. There appear to be some creative home built jigs out on YouTube. So I’m wondering if it might be doable with end mills and drill bits. Blemished AR10 lower for $65. AR15 for $40-50 depending on whether you want forged, milled etc.

I have the strangest sense of deja vu. Hoping I’m not repeating myself in asking this.

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Re: 80% AR Lower

#2 Post by Bisbee » Tue May 21, 2019 1:31 am

I’m not sure you can successfully mill a AR lower on a drill press without a jig. Do you already have experience or tools (X-Y cross-slide vice clamps) to mill metal on your drill press?
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Re: 80% AR Lower

#3 Post by DamnYankee » Tue May 21, 2019 4:23 pm

Bisbee wrote:I’m not sure you can successfully mill a AR lower on a drill press without a jig. Do you already have experience or tools (X-Y cross-slide vice clamps) to mill metal on your drill press?
I have an x/y vise (albeit a cheap one). My brother (ex-Machinist instructor) has a table top metal lathe/mill and access to a lot of equipment, but I don’t want to “cheat”. That said, as I dig further I’m thinking a commercial jig may be the only realistic approach ...


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Re: 80% AR Lower

#4 Post by lsj74 » Tue May 21, 2019 5:45 pm

Having watched videos on 80% lowers and looked into the cost I would say it's not worth the hassle.
I can buy an AR lower for less than $50.

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Re: 80% AR Lower

#5 Post by Bisbee » Tue May 21, 2019 6:07 pm

“Cheating” would be bringing over the 80% lower and a 12-pack of PBR and watching your brother do the work while appearing impressed.
"It is better to be violent, if there is violence in our hearts, than to put on the cloak of non-violence to cover impotence. There is hope for a violent man to become non-violent. There is no such hope for the impotent." -Gandhi

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Re: 80% AR Lower

#6 Post by senorgrand » Tue May 21, 2019 6:33 pm

I think 80% AR lowers are kind of lame. I actually like the Glock ones though...
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Re: 80% AR Lower

#7 Post by Marlene » Tue May 21, 2019 6:45 pm

Buy a lower for less than an unfinished 80% and then use the creative impulse to do something you can’t buy so easily.

If you aren’t “cheating” you’re probably just doing a bad job of it.
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Re: 80% AR Lower

#8 Post by senorgrand » Tue May 21, 2019 7:24 pm

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Mason
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Re: 80% AR Lower

#9 Post by Mason » Tue May 21, 2019 7:28 pm

PSA had lowers for$30 the other day. I’m a hack machinist and would totally not bother with an 80% without a really good reason.
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Re: 80% AR Lower

#10 Post by Stiff » Wed May 22, 2019 12:18 am

senorgrand wrote:
Tue May 21, 2019 6:33 pm
I think 80% AR lowers are kind of lame. I actually like the Glock ones though...
If people make 80% lowers for gen 4 Glocks, I would totally buy one. Nobody makes them because Glock apparently promises to sue anybody who does. The company is ok with after market lowers for gen 3.

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Re: 80% AR Lower

#11 Post by DamnYankee » Thu May 23, 2019 8:25 am

Marlene wrote:If you aren’t “cheating” you’re probably just doing a bad job of it.
Gotta respect the wisdom in that statement...

Thanks for the input all.


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