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Posted: 7/26/2003 8:58:10 PM EDT
Bought an A2 upper way back when, B4 I knew any better. (Got it with some nice USA mags too! ) Now I'm going to swap to an A3, and I might want to put a RAS II or SIR on it one day, so are the rails/uppers made by RockRiver Arms in spec?

Thanks
Tex78
Link Posted: 7/26/2003 9:15:36 PM EDT
The first ones out were not. The current ones are.
Link Posted: 7/29/2003 11:32:11 AM EDT
did the same thing, bought an a2 upper. oooppps i sent the upper to pete at legal transfers. for a hundred bucks he put on a brand new rock river flat top upper, ras2 fits fine. fits perfectly. love it, best $100.00 i spent
Link Posted: 7/29/2003 1:32:41 PM EDT
i love RRA let me say that first, second i bought a brand new m4 upper flat top from sableco and it was out of spec, SIR wouldnt fit that, im not sure if i got an old upper sold as a new one from sableco or not but i had to dremel the Sir to make it fit.
Link Posted: 7/29/2003 3:40:30 PM EDT
Spartan, ARMS will only certify their products for the ABCs, and in a couple of threads recently, even that hasn't necesarily been the case. Sluggo
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