imschur Posted May 20, 2011 Report Share Posted May 20, 2011 I recall this came up a few times. Brownells now carries the PRI adjustable gas block Quote Link to comment Share on other sites More sharing options...
Jgun Posted May 21, 2011 Report Share Posted May 21, 2011 I just used one of these on my 300 build because I needed to be able to adjust the gas system with my lightened bolt carrier. I like that the PRI's are steel unlike a lot of the other adjudtable GB'swhich are aluminum, besides being smaller than most of the other adjustable's, no clearence problems with my Apex FF tube. Quote Link to comment Share on other sites More sharing options...
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