Multi-Caliber Reciever? for AR?


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wacki
November 9, 2008, 07:20 PM
Found these two receivers:

AP15 Aero Precision AP15 AR15 Multi Caliber Lower Receiver
http://www.aimsurplus.com/acatalog/Aero_Precision_AP15_Multi_Caliber_Lower_Receiver.html

CMMG-L001 CMMG MOD4SA AR15 .223/5.56x45 Lower Receiver
http://www.aimsurplus.com/acatalog/AR_CMMG_MOD4SA_AR15_.223_5.56x45_Lower_Receiver.html

Maybe I'm being a nit but why the "multi-caliber" name? Is there a difference? I'm guessing no but I've been surprised before.

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H2O MAN
November 9, 2008, 07:28 PM
+1


I just picked up a POF P-415 receiver with
CALIBER: MULTI stamped into the receiver.

What's up with that?

jerkface11
November 9, 2008, 07:32 PM
It doesn't matter. Some companies mark theirs .223 others 5.56 some even put 5.56x45 or 5.56Nato. I've even seen 6.8 SPC markings. However all of those lowers are the same.

HorseSoldier
November 9, 2008, 07:36 PM
Doesn't mean anything, like jerkface11 said. All AR lower receivers are multi-caliber, as long as the caliber in question will fit through the AR magwell. Marking them "multi" or in a caliber other than 5.56 doesn't mean anything special.

Tacbandit
November 9, 2008, 07:41 PM
For anyone who wants to have a "multi cal" stamped receiver, here's a link to a company does such creative work...You can customize it, and pick your own serial #. I suppose this might be handy in the future, with any possible legislation on those "evil black rifles"...such as swapping uppers, for a different caliber, other than what was originally marked. Anyway, for whatever it's worth....He was making lowers in .308, and lowers in .223/5.56
www.centermasstactical.net/
:)

Gord
November 9, 2008, 07:43 PM
I've never been a fan of the "multi" stuff (especially when it's stamped in some goofy font - c'mon) but Aero Precision has top-notch machining, just FYI. I'm going to be picking one up from my local shop soon.

gvnwst
November 9, 2008, 08:20 PM
Multi is just for people who actually don't ahve their collection memorized, and look at the caliber on the lower. Mulit being there just tells them to look somewhere else.

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