Thread: Gas Block
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Old 10-14-2012, 15:30   #4
mjkeat
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Join Date: Jun 2009
Location: Midwest
Posts: 3,450
Don't ruin your Colt w/ a railed gas block. That's so Bushmaster, lol. Take a dremel to the OE front post and make a low-pro GB. It's a much better option than any set-screw GB.
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