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New Contest Starting Now! This Target Haunts Me
Tell us about the one that got away, the flier that ruined your group, the zero that drifted, the shot you still see when you close your eyes. Winner will receive a free scope!
I don't have any to measure as I turn mine for a tight neck chamber but going on memory it seems like .296. This is on the older gold box stuff. You might want to ask your reamer supplier his opinion.
The PTG Norma match reamer is perfect for non-neck turned Lapua. I've had 9 barrels with this chamber and every single one shoots 48.4-48.8gr H4350 under a 142SMK .015" off into tiny knots. Shoots very, very well at 1k.
