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Building AR from 80% lower
Discussions related to Guns and Firearms
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PaulS
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Joined: Feb 18, 2006
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Location: South-Eastern Washington - the State

PostPosted: Wed Jan 01, 2020 5:37 pm    Post subject: Building AR from 80% lower Reply with quote

I have been considering attempting a custom AR build using an 80% lower and building a gun just for my use in longer range accuracy.
If anyone has comments or experience I would be happy to hear it.

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English Mike
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PostPosted: Wed Jan 01, 2020 7:45 pm    Post subject: Re: Building AR from 80% lower Reply with quote

I take it you're doing this for the challenge, rather than any other reason. Very Happy
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PaulS
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PostPosted: Thu Jan 02, 2020 5:23 pm    Post subject: Re: Building AR from 80% lower Reply with quote

The challenge and the education as well as the pure fun of it.
I already know it is not going to be cheaper than just buying one off the shelf but I can build it the way I want it with my own two hands.

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Paul
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Pumpkinslinger
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Joined: Sep 22, 2007
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PostPosted: Thu Jan 02, 2020 5:51 pm    Post subject: Re: Building AR from 80% lower Reply with quote

I did learn to assemble AR lowers inside a big, clear plastic bag. It'll save you a lot of time and aggravation when those damn little springs and pins go flying...

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Mike

"I ain't no better than anybody else, and there ain't nobody better than me!" Ma Kettle
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PaulS
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PostPosted: Sat Jan 04, 2020 12:10 am    Post subject: Re: Building AR from 80% lower Reply with quote

I'll remember that trick... right after I lose my first spring and detent. Smile

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Paul
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Bushmaster
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Joined: Jun 12, 2005
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PostPosted: Sat Jan 04, 2020 10:19 am    Post subject: Re: Building AR from 80% lower Reply with quote

How often do you have to come out for air?

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Vince
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PostPosted: Sat Jan 04, 2020 4:51 pm    Post subject: Re: Building AR from 80% lower Reply with quote

Bushmaster wrote:
How often do you have to come out for air?

Haha Haha Haha Haha Haha Haha

Right after you get your last spring and detent locked in place mate.

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(Never let the bastards grind you down)

Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God.

"Nulla Si Fa Senza Volonta."
(Without Commitment, Nothing Gets Done)


Last edited by Vince on Tue Jan 07, 2020 7:14 pm; edited 1 time in total
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PaulS
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PostPosted: Sun Jan 05, 2020 7:26 pm    Post subject: Re: Building AR from 80% lower Reply with quote

As funny as that sounds I wonder how many people would wear a bag.
Never underestimate stupidity.
I can make the special tools to put in those springs and detents. I have plans for roll pin starter punches but I am going to have to buy the special wrenches for the buffer tube and barrel nuts. I think I will invest in the vice blocks too, just to make it easier on myself.
I do wonder if I will want another one after I build one... I hear it can be addictive. Smile

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Paul
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Pumpkinslinger
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Joined: Sep 22, 2007
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PostPosted: Tue Jan 07, 2020 6:04 pm    Post subject: Re: Building AR from 80% lower Reply with quote

Bushy, I run an air hose into the bag...

Paul, I've put together a couple of lowers for purchased AR-15 uppers. Now I've got another whole rifle scattered on the work table and most of another in a box underneath. After I finish those I believe I'll try an AR-10. Is it addictive? Well...

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PaulS
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Joined: Feb 18, 2006
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Location: South-Eastern Washington - the State

PostPosted: Tue Jan 07, 2020 10:13 pm    Post subject: Re: Building AR from 80% lower Reply with quote

Pumpkinslinger wrote:
Bushy, I run an air hose into the bag...

Paul, I've put together a couple of lowers for purchased AR-15 uppers. Now I've got another whole rifle scattered on the work table and most of another in a box underneath. After I finish those I believe I'll try an AR-10. Is it addictive? Well...
Hey Pumpkinslinger,
How heavy can you build an AR10? I don't want to shoot a lightweight 308. I like 10 pound rifles, is there one that comes close?

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Paul
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Bushmaster
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PostPosted: Tue Jan 07, 2020 10:50 pm    Post subject: Re: Building AR from 80% lower Reply with quote

DPMS Panther .308.

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Pumpkinslinger
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PostPosted: Wed Jan 08, 2020 7:44 pm    Post subject: Re: Building AR from 80% lower Reply with quote

My .458 SOCOM AR-15 weighs about 8.5 pounds, empty with scope. That's almost exactly the same as the Marlin .45-70, with scope. According to Wikipedia an AR-10 weighs between 7.5 and 9 pounds empty, w/o scope. So I'd think making it weigh 10 pounds would be easy.

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Bushmaster
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PostPosted: Wed Jan 08, 2020 10:12 pm    Post subject: Re: Building AR from 80% lower Reply with quote

I have flip-up iron sights on my AR 10 (no scope). Add the 20 round magazine and it will weigh right at 10 lbs.

I know because I just weighed it with a loaded magazine.

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DEMOCRACY Two wolves and one sheep voting on what to have for lunch...
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dhc4ever
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Joined: May 26, 2011
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PostPosted: Thu Jan 09, 2020 1:51 pm    Post subject: Re: Building AR from 80% lower Reply with quote

You guys get to play with all the good toys...
Sigh

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Pete

Dont do anything you wont like explaining to the paramedics..............
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Vince
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Joined: May 25, 2005
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PostPosted: Thu Jan 09, 2020 5:04 pm    Post subject: Re: Building AR from 80% lower Reply with quote

dhc4ever wrote:
You guys get to play with all the good toys...
Sigh

Yes mate...and Bushy’s AR10 is a real pussy cat to use as well...and damn it’s accurate.

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Cheers, Vince Cheers

Illegitimi non carborundum
(Never let the bastards grind you down)

Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God.

"Nulla Si Fa Senza Volonta."
(Without Commitment, Nothing Gets Done)
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