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Old 04-10-2013, 07:21 PM
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cb4017 cb4017 is offline
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Just an update. The low profile gas block I used was a YHM clamp-on. There was very little clearance between the bottom of the gas block and the inside of the rifle length Troy TRX. There was contact between the gas block and hand guard with upward pressure on the hand guard.

I replaced the YHM gas block with a VLTOR clamp-on gas block. Much more clearance and the problem is solved.

I'm not sure I'm going to keep this Troy TRX hand guard. I prefer a quad rail. If I can find a decent quad rail that fits I may be offering this up for sale.
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