Loads for Browning A bolt in 280 Rem

J

Jaybrant23

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Oliver, BC
Hey guys, currently I've been using 54 gr imr 4831, with 140 gr nosler ballistic tips, seated 2 thou off the lands. On my best day I'm about an inch at 100 yards, which is good enough for hunting but I want to really see what this rifle can do. Also I sighted these in in the summer and went to our annual turkey shoot which is in December, and was hitting 2 inches high and 2 inches left. Never banged the scope or anything, thought it was odd. I know imr can be temp sensitive, but I figured it would shoot low, not high. Anyway, just wondering if anyone else is using the same rifle combo and what your using for loads.
 
I have an a bolt in 280 and I shoot 139gr hornady interlock on top of imr 4350 works great. Usually shoot clover leafs at 100m. I can't think of the charge weight off the top of my head but think it may be around the same as you.
 
If you have a wooden stock humidity can effect the stock and POI, I had a rifle that the fore end would move to the right in damp weather and then move to the left in dry weather.

But any time I have that much change in POI something has changed, re-torque your bedding screws, scope screws, check barrel clearance and double check your press and die setup.
 
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