Am I going to have a problem as well?
The gas tube enters the upper at a very slight angle, but I can't feel any drag on the carrier key. The gas block is pinned and the barrel is dimpled for the set screws, so I can't really move the gas block around at all.
Should I just shoot the upper and fix the issue only if the rifle malfunctions? Or am I looking at introducing a long term problem by leaving everything as-is? I'm shooting 6.8SPC and plan to run my hot handloads through the barrel (Ko-tonics, so it's OK).
Here are pics of the complete rifle and the gas block:
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