Did you get it after 20seconds, or has it taken a week or so to work it out?
All the wank about the 'barrel opening up when fluted' (I've read up to a couple 1/10s thou?) where no consideration has been taken to the fact that every time a round is fired and the bore heats, the barrel expands.
Get the bore to ~100 C on a 20 deg day ( 1 or 2 shots?) and the bores opened up ~ 0.5 thou on a 338 simply due to expansion.
Blah blah blah - it all gets lost in the noise when the lumps going downrange
Bookmarks