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Your velocities for 140 is considerably high. You are running about 50-75 fps under normal max velocites with the 100 grn bullet. I would call that realistic for handloading to drop down a little to catch the high node. Now do the same with the 140 and plug 2650 into the velocity and see the difference.
He said that he is limiting it to 500 yds so most of what you said will be cleared up with any ballistics program as codyadams did above. If you run it with more realistic numbers and only look at 500 yds and less you will see what I was talking about.
Shooting at the rest of the group of pigs while they run away is another reason I told him to look into lighter bullets. No time to dial those shots either.The only advantage I have ever found is for sub 400 yard coyote hunting. Many times you don't have time to range and dial, you just have to estimate range and take the shot. At sub 400 wind is not a huge deal usually, but being able to aim on fur and send a round within 10 seconds is, so my 22-250 shot 40 grain v-max's at 4150 fps for a while. I zeroed at 350 yards, and it was within 4" above or below of POA out to 400 yards, a laser like that was deadly on coyotes.
Shooting prarie dogs outside 400 though was much more challenging. Wind blew that poor little bullet all over the place and if there was any at all, made hits at 400-600 yards completely inconsistent, and more luck than anything. Past 600 just wasn't very practical for it, even in light winds. That is why I am rebarreling to a tight twist 22-250 AI
Sorry, but you are completely incorrect. The data I used was directly from hogdons reloading data, I used the fastest data for both a 140 and a 100 that was listed. And actually gave the advantage to the 100, as the 140 data was 19 fps faster then I listed, if you want to get picky. You may be able to get faster with a 100, but you can get equally more velocity with a 140. So, my point still stands.
And to this point, you would already be dialed for the range from your first shot, or have the proper holdover established. Your still less energy and more wind drift with the lighter bullet.
No one is saying a 120 won't kill deer, that is just silly. People are just saying a 140 class bullet does it with more energy and less wind drift.Any one who feels that bullets like the Sierra 6.5 120 gr are not adequate for deer. Here are horns from mature muley bucks over my last 11 seasons. All were one shot kills with the Sierra 120gr exceptfor one shot with a Nosler 125gr partition.
That data is not for the same bullets you used to do the graphs. Even hornady's factory ammo in the 140 eldm is listed at 2710 fps. That info also doesn't agree with my nosler manual or hodgdon reloading magazine for the 140 grn bullet.
Pretty hard going if you are set up right and they come out 50-100 yds away and then run 200-400 yds away while still being shot at as I habe seen pigs do more than once.
Your grasping at straws now. Pretty much everyone that loads for a 6.5 creed can get a 140 to 2800 or more with at least one powder.
2700 fps is not pushed that hard for the creed. With hornady brass and a 140 2850 is pretty easy to obtain or faster depending on the powder you use with 24in and 26in barrels. Heck even my fathers 22in hits 2800 or better. The point is nobody says a 120 wont kill deer. They just dont have anything over the 140. Energy goes to 140, wind drift, and Sectional density.
Most guys lose their minds when I tell them I topped out at 3014 fps and that's only because I ran out of room in the case!
Right? And even quickload shows you can get into the 2900's+ with safe pressure and Reloder 26.
