Always felt like a kid at Christmas when a new shipment of 7.62x51mm NATO rounds

Always felt like a kid at Christmas when a new shipment of 7.62x51mm NATO rounds would arrive. Spent last weekend adjusting my favorite load with a bit more IMR 4064 for a tighter group at 300 yards. Ain’t nothing like fine-tuning your own ammo. Any fellow reloaders got a magic powder and primer combo for hitting long-range bulls on a breezy day? Let's swap some pointers.