rvb Posted May 25, 2013 Share Posted May 25, 2013 Hi all... Chasing some accuracy problems.... Not happy with the groups I'm getting. While there are good odds its me, not the gun, I was looking things over and noticed the barrel is no longer centered in the FF tube. The tube is a troy/vac rail (the model before the "alpha"). I never really liked how this rail mounted to the nut. It seems with a bit of tension, the tube is moving on the nut, and not staying concentric to the barrel. How much clearance is enough? I'm wondering if the barrel could be hitting the tube. Groups are in the 3" range @ 100. I've pulled and re-mounted the tube. If I get better groups, I'll be searching for a new setup... Acceptable clearance? -rvb Link to comment Share on other sites More sharing options...
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