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Posted: 1/18/2006 12:05:13 PM EDT
Has anyone used the 9MM Beta mag in a factory built Rock River rifle yet? Would like to hear a range report.
Link Posted: 1/19/2006 10:04:10 AM EDT
[Last Edit: 1/19/2006 1:25:40 PM EDT by RRAMODERATOR]
Link Posted: 1/19/2006 12:40:20 PM EDT

Originally Posted By RRAMODERATOR:
I have!
So far, so good on mine with about three full mags through it.
I wouldn't recommend a mag dump however, as the 9mm bbl is lighter than our 223, and with a larger bore as well, there isn't a whole lot of metal left to dissipate the heat. I got mine pretty hot in a constant fire mode (seeing how fast I could dump the mag...about fifty seconds, with a pause to move my hands) in about fourty rounds, and by sixty five rounds the handguard was smoking just a bit. Once I let it sit for awhile, it was good to go, but I don't think I did my barrel a lot of good getting it that hot

so what about FA through these bbls?
Link Posted: 1/19/2006 1:17:16 PM EDT
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