2450paul 12 Posted January 19, 2011 Report Share Posted January 19, 2011 What can I expect to pay for an adjustable sight vent rib and factory gasblock if I can find someone who would be willing to trade my plain gas block and boot money for their gas block and rib? I've looked at this set up and believe it would be better to use the gas block that came with the vent rib than try to fab a vent rib to a standard gas block. Anyone have any feedback? Thanks, Paul Quote Link to post Share on other sites
Superhawk138 202 Posted January 19, 2011 Report Share Posted January 19, 2011 (edited) All you would need to do is tap and install a stud in the gas block then drift the rear sight and install the rear mount for the rib. I have all the parts to a rib except the front stud if your interested. Edited January 19, 2011 by superhawk138 Quote Link to post Share on other sites
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