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1/25/2018 7:38:29 AM
Posted: 2/6/2006 7:30:46 AM EST
[Last Edit: 2/6/2006 9:28:30 AM EST by SHIVAN]
www.bushmaster.com/shopping/barrel-assemblies/abbl11.5a.asp

Will this work as a replacement in a Colt M4 upper with the feedramps in the receiver? Or would it create a "lip"?

Thanks.
Link Posted: 2/6/2006 9:29:23 AM EST
Damn, was hoping to get some feedback...wanted to place an order ASAP.

Anyone?
Link Posted: 2/6/2006 9:31:35 AM EST
from my understanding and going from all the bushmaster bbl.s i own not a single one came with extended feedramps.


get with gds_enterprise, he offers them and should be able to tell you if they do or not.
Link Posted: 2/6/2006 10:26:04 AM EST
No Bushmaster I have EVER seen has "M4" feed ramps.

Putting one in a colt upper may cause the tip of the round to catch on the barrel extention.

You could always go the dremel route...ick.
Link Posted: 2/6/2006 10:27:38 AM EST

Originally Posted By Marksman14:
No Bushmaster I have EVER seen has "M4" feed ramps.

Putting one in a colt upper may cause the tip of the round to catch on the barrel extention.

You could always go the dremel route...ick.



That's what I thought.

Wish CMMG did 11.5" barrels.
Link Posted: 2/6/2006 10:56:59 AM EST
You do NOT want to run a M4 receiver without having the M4 feedramps on the barrel extension. It creates an indentation that rounds can catch on.
Link Posted: 2/6/2006 11:02:39 AM EST

Originally Posted By Stickman:
You do NOT want to run a M4 receiver without having the M4 feedramps on the barrel extension. It creates an indentation that rounds can catch on.



Yep, that's what I was afraid of....

Colt 11.5" barrels are kind of spendy for a backup to my backup...

$495 from SAW....
Link Posted: 2/6/2006 11:47:48 AM EST
"Wish CMMG did 11.5" barrels."

Very soon they said with M4 barrel extensions.
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