semi
Personally, I prefer to stick with one bullet weight, but like skeeter 7MM said..... pick the right bullet "construction" for the job at hand. If you really want to get the most out of your 30-06, and have a bunch of fun diong it, consider getting into reloading your own.
I've got a Browning MKII Safari BAR in 30-06 that just happens to like 180 Grn bullets and more specifically Nosler Ballistic Tips. I mostly hunt whitetails and hogs here in Arkansas and hope to do some black bear hunting for the first time this fall. With that in mind, I'm currently loading 180grn Nosler BTs at about 2640 FPS. The Ballistic Tips will give me quick expansion on the whitetails and the 180 grn weight good penetration on hogs & bear. Not to mention that this load has proven the be the most accurate in my gun.
Here is a pic of a .35" CTC 3 shot 100Yd group I shot with this load this past weekend. (Best group ever!)
Now, if I ever get a chance to go hunt elk or moose, I'll try out some 180 grn bullets that are constructed a little "stronger", like the Nosler partitions, failsafe, etc. Again, reloading will allow me to try out various bullet / powder / velocity combinations until I find the one "My" gun likes the best.
A .30-06 w 165-180 grn bullets will take anything on the North American Continent; however, it you were to ask everyone here which was more important: "Bullet type/weight" Vs. "Shot Placement" .......I would bet that the vast majority would choose "Shot Placement". Reloading, especially for the .30-06, gives you a chance to have the best of both worlds. You get to mix & match until you find the most accurate load for "your" gun and for the job at hand......after that......."shot placement" is all up to you!
firstshot
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Make your first shot count