Thread: trouble with Superlative Arms Adjustable Gas Block

A long time ago in a galaxy far, far away, I found the 5 shot promag's a bit average, sometimes perfect sometimes not, but problems normally related to FTF, not bolt hold back.

You could pop off the gas block and double check the position in relation to the barrel step, as I've seen in some cases its a little out, so may be messing with you, also double checking vertical alignment is all ok... just an idea...