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1/25/2018 7:38:29 AM
Posted: 10/19/2003 6:28:32 PM EST
Is it possible to put a ARMS SIR on a RRA 9mm upper? I am considering getting one and the ability to put an ARMS bi-level SIR on it would be great.

And also, if it is possible and someone has done it, can I see some pics of it? Thanks!
Link Posted: 10/19/2003 6:35:50 PM EST
I would assume that it would, or should, since it works on the Colt 9MM. Jack
Link Posted: 10/19/2003 6:37:49 PM EST
You may have to trim the case deflector some to get it to fit.
Link Posted: 10/20/2003 7:14:53 PM EST
You mean like shave off the top of the case deflector? Thanks.
Link Posted: 10/20/2003 10:35:33 PM EST
[b]GAS DEFLECTOR[/b] at least on a colt
Link Posted: 10/21/2003 3:42:16 AM EST
on a Colt, the top of the case deflector needs to be sanded don, use a fine grit, and hit the area w/ clp/etc. it comes back to almost the stock sheen. S2
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