Stick to the heavier bullets, distance is determined by how well you can shoot it.
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Anything I say is my opinion, just that...and only that.
"...and what does the Lord require of you, but to do justly, love mercy, and walk humbly with your God?
Check out the above link for info on the .243. My personal favorite was a 90 grain nosler ballistic tip which I can't find anymore. I'm using my 30-06 and .44 this yearbut of all the guns I own and have taken deer with, nothing has ever taken deer down faster or caused more internal damagethan my A-bolt with a 90 grain BT.(OR BEEN MORE ACCURATE).243 gets a definite thumbs up from me, its like lightning on deer.
Although I don't use the 243 for deer, the 85 Grain Sierra BTHP is a good deer bullet and the only bullet under 90 grains that I would consider. However the Barnes bullets also work well as you can drop a weight or two because of their construction. The nosler BT is a good one.
Can't beat that. I used to use the 100 grain Hornady RN. Not a great long range bullet but they performed well. That was in the slower twist 6MM Remington however.
I use the winchester balistic tips in 95 grain. Took my last buck at close to 400 yards. He was out in the open and I misjudged the distance and basically got lucky. The bullet worked to perfection. The shot was good and he didn't go very far at all. My 243 is a heavy barrel varmit gun set up to shoot.