I've just started using the 70gn flat base hp in my howa .243. Absolute lasers. Love em. Seems this rifle just cannot stabilise any of the heavier boat tails. Im using IMR4831 but moved on to H414. No difference after adjusting the load down a little.
I rolled up to zero it with a stack of ammo but stopped after 3 just 3 shots. Done is done. Spent the rest of the arvo learning the joys of an iron sighted 30-30 marlin.
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