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1/25/2018 7:38:29 AM
Posted: 3/6/2006 8:44:00 AM EST
[Last Edit: 3/6/2006 9:03:26 AM EST by koalorka]
Hi, I just recently ordered a 20' Standard A4 Complete Upper Half from RRA equipped with an HBAR profile barrel. Without realising this I also bought a Knight's Armament M5 RAS quad-rail forend, which I understand is compatible only with Gov't profile barrels. Please prove me wrong.
Link Posted: 3/6/2006 9:27:52 AM EST
It should fit. But it will be a nose heavy pig.
Link Posted: 3/6/2006 10:12:01 AM EST
Originally Posted By Lancelot:
It should fit. But it will be a nose heavy pig.[/quote]

+ freakin' 1
Link Posted: 3/6/2006 10:19:46 AM EST
It's fits fine on my Colt 20" HBAR. Should fit, lock up well and work good for your upper as well. Yes, it will add some weight. Doesn't bother me. You will have to decide if the trade off is what works for you. Switching out handguards is easy if you want to go back and forth between original configuration and RAS.
Link Posted: 3/6/2006 10:28:35 AM EST
[Last Edit: 3/6/2006 10:28:59 AM EST by Stickman]
Link Posted: 3/6/2006 4:30:05 PM EST
The M4 RAS did not fit on my colt le6721 tacticle carbine. It has a heavy barrel, I ended going with a RIS that works fine. Just an FYI, I have no idea if the M5 RAS will fit your application.
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