No1 Mk3 barrel up pressure testing?
So I'm about to check my No1Mk3's for correct up pressure and foresee an issue that I've not seen the answer to.
Do I test the up pressure with the nosecap off? I've seen comments that suggest that the upper section of the barrel should rest/lay in the bottom of the barrel channel. If its resting lightly, then a slip of paper won't be trapped under it, it will come free, showing no up pressure working on the barrel. Am I correct in thinking the barrel should be firmly on the wood and require its 3-7 lbs up up pressure to lift away from the wood?
And associated with this, as a no1mk3 nosecap slides on, at least on my rifles, the barrel is about 3/16th inch below the nosecap hole, and pushing the nosecap home lifts the barrel that 3/16th inch, and away from the wood of the forend. Doesn't this change or add to the up pressure working on the barrel?
If the barrel is laying lightly in the barrel channel, is it the lift into the nosecap that creates the up pressure?
thanks RJW