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Posted: 12/1/2005 4:59:12 PM EDT
I wanted to know if anyone here has installed a Knights Armament RAS on a Rock River Arms Entry Tactical model.

I was wondering if the heavier barrel profile is compatible with this system. I've got a set for a standard barrel but the RRA appears to have a heavier barrel profile under the handguards.

Thanks
Link Posted: 12/1/2005 7:40:08 PM EDT
Will be no problem.
Link Posted: 12/2/2005 3:10:33 PM EDT
Shouldn't have a problem with it.
Link Posted: 12/25/2005 2:13:12 AM EDT

Originally Posted By DPD06:
I wanted to know if anyone here has installed a Knights Armament RAS on a Rock River Arms Entry Tactical model.

I was wondering if the heavier barrel profile is compatible with this system. I've got a set for a standard barrel but the RRA appears to have a heavier barrel profile under the handguards.

Thanks



i've heard it won't fit with the heavier bbl, but that's just word of mouth
Link Posted: 12/25/2005 7:33:14 AM EDT
I've installed them on both Colt and Bushmaster heavy barrels.
Link Posted: 12/25/2005 11:36:14 AM EDT
worst case scenario, just file it down. That's what I did with my rail system when i put it on my rock river match grade barrel.
Link Posted: 12/27/2005 5:30:12 PM EDT
I tried to install a RAS rail on my Colt 6721 with a similar style HBAR profile the wilson barrel has on the RRA upper. There is a metal piece on the end of the RAS where it slides over the gas tube into the end cap. That metal piece hit the barrel and would not slide into the end cap (about 1/8 of an inch). I would definitely check with RRA before I bought the RAS rail. I hope this explanation helped .
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