Best caliber made. I think .338 and elk were made for each other. I also own a 338 Win mag and a 338-378 Weatherby. I really like all three, but the 340 Weatherby is the "goldilocks" caliber of the three. It is just right. The 338-378 is awesome, but you really need a brake to tame it a bit, and brass is hard to find and expensive. Give me a 340 Weatherby with a 26" barrel and I will disappear into the elk woods and never come out. Curt.