IMO the 3 most versatile cartridges are the 6.5-06, .270 win, and .280 rem. with the parent, the .30-06 following closely.
They can all pretty much do exactly what the 30-06 does but faster and flatter. The .308 cal has more bullet choices, but I find the 06' to be rather uninspiring. You generally need bullets 200grain+ to get high BC for long range, and with that amount of weight the 30-06 is a bit 'slow' compared to the 280 or .270 with heavy for caliber bullets.
The .270 has been proven capable of harvesting any game on the planet. So why would you want the extra projectile weight, extra recoil, and less flat trajectory of the 06' when the .270 can do it just fine? And the .270 is more forgiving, if your range estimation, is slightly off.
Also, I find the .270 to be better for varminting, with light weight bullets. You can load light bullets, up to and around 4000fps. These light bullets (80-90grains) generally can be fired at similar velocities to the .204 ruger, and 22-250, with bullets, that have similar Ballistic Coefficients. The only difference is the .270 is firing a projectile with roughly twice the mass as the .204 and .22-250
Just my opinion.
They can all pretty much do exactly what the 30-06 does but faster and flatter. The .308 cal has more bullet choices, but I find the 06' to be rather uninspiring. You generally need bullets 200grain+ to get high BC for long range, and with that amount of weight the 30-06 is a bit 'slow' compared to the 280 or .270 with heavy for caliber bullets.
The .270 has been proven capable of harvesting any game on the planet. So why would you want the extra projectile weight, extra recoil, and less flat trajectory of the 06' when the .270 can do it just fine? And the .270 is more forgiving, if your range estimation, is slightly off.
Also, I find the .270 to be better for varminting, with light weight bullets. You can load light bullets, up to and around 4000fps. These light bullets (80-90grains) generally can be fired at similar velocities to the .204 ruger, and 22-250, with bullets, that have similar Ballistic Coefficients. The only difference is the .270 is firing a projectile with roughly twice the mass as the .204 and .22-250
Just my opinion.
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