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CMMG barrel but won't line up #6343291 06/21/16 11:47 PM
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BigPig Online Content OP
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Picked up a used CMMG MK3 a few months ago. Got her out today and noticed the FF handguard was a little loose. So I removed the flash hider, handguard, gas block and tube, and the handguard mount the goes over the barrel nut. Come to find out, the little wiggle is because the barrel but isn't properly torqued down and the barrel actually moves about 1/16-1/8 of an inch clockwise. No problem, grab AR 10 barrel nut wrench and torque wrench and torque to recommend amount. Oh but wait, now the holes for the gas tube don't line up, back barrel nut off until lined up and now barrel wiggles.

What gives?


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Re: CMMG barrel but won't line up [Re: BigPig] #6343298 06/21/16 11:53 PM
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Last edited by okie44; 06/21/16 11:55 PM. Reason: Added link

�The trouble ain't that there is too many fools, but that the lightning ain't distributed right.�
Mark Twain
Re: CMMG barrel but won't line up [Re: BigPig] #6343336 06/22/16 12:25 AM
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TexFlip Offline
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Shims indeed.


Originally Posted by unclebubba
Just to make sure that it is done thoroughly, I go both ways.

Re: CMMG barrel but won't line up [Re: BigPig] #6343347 06/22/16 12:30 AM
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Never needed those before. Thanks guys


Wade Dews, REALTOR ®
Rendon Realty, LLC
Frontline Real Estate Team
www.RendonRealty.com
WadeDews@gmail.com
214-356-2410
Up to 1% for closing costs for First Responders & Veterans
Proudly partnered with Assist The Officer Foundation https://atodallas.org/
Re: CMMG barrel but won't line up [Re: BigPig] #6343374 06/22/16 12:57 AM
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KRoyal Online Sleepy
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I'm telling ya, get the MK3 RKM15 you'll be happier grin


[Linked Image]



Re: CMMG barrel but won't line up [Re: KRoyal] #6343462 06/22/16 02:04 AM
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Originally Posted By: KRoyal
I'm telling ya, get the MK3 RKM15 you'll be happier grin


Want to trade? I've got almost nothing in this gun so in not going to give up yet


Wade Dews, REALTOR ®
Rendon Realty, LLC
Frontline Real Estate Team
www.RendonRealty.com
WadeDews@gmail.com
214-356-2410
Up to 1% for closing costs for First Responders & Veterans
Proudly partnered with Assist The Officer Foundation https://atodallas.org/
Re: CMMG barrel but won't line up [Re: BigPig] #6343469 06/22/16 02:10 AM
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KRoyal Online Sleepy
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Lol I'm talking about the rail the MK3 RKM15 is the cmmg LR308 (MK3) 15 inch rail. Way better barrel nut design and easy on and off.


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Re: CMMG barrel but won't line up [Re: BigPig] #6343506 06/22/16 02:39 AM
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Oh gotcha. Yeah I was trying make what came on it work. We shall see


Wade Dews, REALTOR ®
Rendon Realty, LLC
Frontline Real Estate Team
www.RendonRealty.com
WadeDews@gmail.com
214-356-2410
Up to 1% for closing costs for First Responders & Veterans
Proudly partnered with Assist The Officer Foundation https://atodallas.org/
Re: CMMG barrel but won't line up [Re: BigPig] #6343508 06/22/16 02:40 AM
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KRoyal Online Sleepy
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Yea those timing shims will work for you up


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Re: CMMG barrel but won't line up [Re: BigPig] #6345742 06/24/16 02:02 AM
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I give BP a perfectly good AR10 and now it is all boogered up? bang Some people just like to break stuff... peep


Originally Posted by onlysmith&wesson
I was wrong...on anything technical.

Originally Posted by Sailor
Fitz............. is right, ya know............
Re: CMMG barrel but won't line up [Re: Big Fitz] #6345754 06/24/16 02:08 AM
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Originally Posted By: Big Fitz
I give BP a perfectly good AR10 and now it is all boogered up? bang Some people just like to break stuff... peep


Lol. I haven't even shot the thing, it's been sitting in the safe until the other day.


Wade Dews, REALTOR ®
Rendon Realty, LLC
Frontline Real Estate Team
www.RendonRealty.com
WadeDews@gmail.com
214-356-2410
Up to 1% for closing costs for First Responders & Veterans
Proudly partnered with Assist The Officer Foundation https://atodallas.org/
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