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#7298581 - 01/11/13 AR is it possible?  
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Reba Offline
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Reba  Offline
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Central Coast
I read an article in "American Hunter" and the author stated; "My rifle is a delight to hunt with; the diminutive package weights only 5.25 pounds. It features a thin, 16 inch fluted barrel."

The rifle is an AR15 chambered in 6.5 Grendel.

Is it possible to build a 5.25 pound AR15? I assume this weight is without sights or scope.


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#7298815 - 01/11/13 Re: AR is it possible? [Re: Reba]  
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Take_a_knee Offline
Campfire 'Bwana
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My lighest is a Cav Arms lower at 2lb 5oz, with upper consisting of an A3 flattop with BUIS, Bushmaster pencil barrel with a Vortex hider, and a YHM aluminum FF handguard. The upper weighs 3# 15oz, putting the total at 6 1/4 lb. The only way to lighten this on up would be a carbon fiber handguard.

#7298986 - 01/11/13 Re: AR is it possible? [Re: Take_a_knee]  
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srwshooter Offline
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grottoes ,virginia,usa
i have done it in 223. very inexpensive build before the shtf. you will have to use a poly or carbon lower. i had a plumcrazy complete lower with a red x arms pencil barreled carbine length upper that weighed right at 5.25lbs. a loaded mag and any kind of optics will push it up fast. i had 473.00 in that ar brand new.

Last edited by srwshooter; 01/11/13.
#7299211 - 01/11/13 Re: AR is it possible? [Re: srwshooter]  
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TWR Offline
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Saw a thread on another forum where the guys poly trigger broke in his plum stupid lower... With the current climate, I'd stay away from anything questionable especially when trying to save a pound.
http://www.thenpha.com/forum/ubbthreads.php?ubb=showflat&Number=101172#Post101172
For the nay sayers...

That said, using a low mass buffer, carrier and the lightest components you can find, 5.6-6 pounds is gonna be it. I'm a fan of light weight barrels and light weight guns but 7 pounds scoped is about as low and you're gonna get.

Last edited by TWR; 01/11/13.
#7299838 - 01/11/13 Re: AR is it possible? [Re: TWR]  
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Take_a_knee Offline
Campfire 'Bwana
Take_a_knee  Offline
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I've never heard anything bad about a Cav Arms lower, they aren't made anymore, thanks to the ATF. I had a Bushmaster Carbon 15 that was never very accurate but that could have been the barrel, but I think a non-aluminum upper is a bad idea.

#7300291 - 01/11/13 Re: AR is it possible? [Re: Take_a_knee]  
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TWR Offline
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Nope Cav Arms was good stuff. I was pointing to the plum stupid/new frontier lowers that everyone was saying were Glock tough and cheap.

#7300710 - 01/11/13 Re: AR is it possible? [Re: TWR]  
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Take_a_knee Offline
Campfire 'Bwana
Take_a_knee  Offline
Campfire 'Bwana

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Posts: 13,859
Originally Posted by TWR


That said, using a low mass buffer, carrier and the lightest components you can find, 5.6-6 pounds is gonna be it. I'm a fan of light weight barrels and light weight guns but 7 pounds scoped is about as low and you're gonna get.


Pardon the thread drift but I have to add that the above being an established fact, makes a SCAR 17S's 7.9# weight all the more phenomenal. Add a pound or so for a LW scope and rings of course.


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