Bullets Trump Head stamp. .284 bullets have better BC. Period.
Which bullet in the .280 do you recommend over the .270 140 grain bullet? If its the 140 grain in the .280 then its sectional density won't be as good as the .277 140 grain bullet, and its b.c. may not be better. If its the 150 grain bullet in the .280 what speed in a 24" barrel using a temperature stable powder is your accurate load getting?
You are seeing the proportional likeness/differences
between the two.
In Factory ammo the 270 has the advantage MOST of the time.
The 280 is not loaded to its potiential.
To an informed handloader the 270 - 280 is a
Wash.
Jerry
