Driftrider...When I was doing my testing of different bullets I could see a definite difference on how far lung shot deer ran when hit with different bullets...Now, I live in a deer rich state with liberal limits so I can easily kill a dozen deer in a year...I also have 3 buddies that shoot .243s and we hunt together for a week each year, so I was there to help with the tracking...

I also have 2 brothers, with 2 grown sons...One brother has
2-.270s the other has a 7mm-08 and a .280...So I have a broad base to compare from...

I will say, broadside lung shot deer should go down within 100 yards if the proper bullet and cartridge are used...Heck, when I hit them there with a .54 round ball out of my flinter or a 125gr Thunderhead out of my bow they hit the ground before 100 yards...