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Switching carbine and tactical uppers

bmt

Sergeant
Full Member
Minuteman
Apr 21, 2010
901
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Skinner's Mudhole, Oregon
Despite all of the "interchange-ability" of ARs, I rarely, if ever see anyone set up this way.

I have a 308 carbine, and was thinking about getting another upper from a reliable builder (GAP, mebbe) and using the upper and lower as needed.

Is there a down side to doing this? Seems like a viable set up for a "user" not a collector/churner/hoarder of rifles.

Also, I could get a cool Pelican case and a black ninja headband . . . .
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(Just kidding on the last part).

BMT
 
Re: Switching carbine and tactical uppers

I don't see why not. The only consideration would be your stock and trigger.

I wouldn't want to do that with a milspec trigger assembly. Perhaps a Chip McCormick.

It would also be tough to use your carbine if you have a PRS or some other heavy stock made for precision shooting. I wouldn't want to have a precision upper used with some carbine or adjustable stock either.

But if you have something like an A2 stock, why not?

I used my lower on 2 upper, but both were precision uppers (in different calibers).
 
Re: Switching carbine and tactical uppers

Seems like a great way to go.

Just make sure your trigger and stock are what you would also use for precision work.

If I was doing this sort of setup, I would use a Geissele trigger and Magpul UBR stock on the .308 platform.
 
Re: Switching carbine and tactical uppers

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: RMW</div><div class="ubbcode-body">Seems like a great way to go.
If I was doing this sort of setup, I would use a Geissele trigger and Magpul UBR stock on the .308 platform. </div></div>

SOPMOD stock would be a decent option as well. Then depending on budget one of the Geissele model triggers.
 
Re: Switching carbine and tactical uppers

Stick with a stock like the Magpul UBR/SOPMOD/VLTOR E-MOD with one of Slash's XH buffers and a quality trigger like a Geissele SSA-E (or something similar) and you should have a lower capable of running a shorter (14.5"-16") .308 carbine upper as well as being able to swap over to a longer 20" or so precision upper without sacrificing much if anything.
 
Re: Switching carbine and tactical uppers

Thanx for the help.

I and a big guy, and the A2 is "best all around" for me (I break stuff).

And I shoot well with it.

My trigger is a "pre-Obama" DPMS standard that has been made very crisp by a competent gunsmith.

The rifle is a DPMS (back when they made good stuff).

Looking hard at a POF or GAP

BMT
 
Re: Switching carbine and tactical uppers

I switched between a mk12 mod 0 upper and a .22 upper all the time on a .223 lower, the Magpul UBR was a great stock to split the difference.

edit: post #69, giggity
 
Re: Switching carbine and tactical uppers

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Re25</div><div class="ubbcode-body">Don't forget the nun chucks and complete set of throwing stars in case you need to stealth up on someone to get to your FFP, shooting isn't always honorable;) </div></div>

D'oh!

I forgot about throwing stars . . . .
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I need a special "Shurikin Stock" . .

Does magpul make one?
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