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Thread: $69 AR lowers @ AIMsurplus
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May 26th, 2010, 03:01 PM #11Banned
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May 26th, 2010, 03:02 PM #12
Re: $69 AR lowers @ AIMsurplus
RIP: SFN, 1861, twoeggsup, Lambo, jamesjo, JayBell, 32 Magnum, Pro2A, mrwildroot, dregan, Frenchy, Fragger, ungawa, Mtn Jack, Grapeshot, R.W.J., PennsyPlinker, Statkowski, Deanimator, roland, aubie515
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May 26th, 2010, 03:02 PM #13
Re: $69 AR lowers @ AIMsurplus
The receiver's main job is to hole the lower parts (trigger, springs, magazine, stock, etc) of the rifle together. It does not have to tolerate any real significant pressures. The caliber is determined by the "upper" that you put on the lower, and what the barrel is chambered for. Obviously as others have said, you can only go so large before the lower dimensions cannot accomodate the cartridge. Either way, it is the chambering of the barrel and the bolt carrier group that will need to tolerate the pressures. The short answer to your question is yes, you can built an AR with the right upper, that will handle pressures of the 5.56 NATO. Notice, you MUST have the rifle chambered properly.
Edit: sorry to sound like a parrot, others beat me to itLast edited by Tomcat088; May 26th, 2010 at 03:06 PM.
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May 26th, 2010, 03:13 PM #14
Re: $69 AR lowers @ AIMsurplus
>50 Beowulf will work on standard AR Lower.
A Republic, if you can keep it.
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May 26th, 2010, 03:19 PM #15
Re: $69 AR lowers @ AIMsurplus
Don't forget the 458 Socom. It even uses the .223 / 556 mags.
Bye for a while, guard the fort. - My Dad
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May 26th, 2010, 03:20 PM #16
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May 26th, 2010, 03:30 PM #17
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May 26th, 2010, 03:38 PM #18
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May 26th, 2010, 03:47 PM #19
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May 26th, 2010, 08:16 PM #20
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