Nope. I have 4 primary big game rifles, 7mm Rem Mag, 6.5x55 Swedish, 9.3x62 Mauser and 375 H&H Mag. The 7mm is the newest caliber in the group since it was developed in the 1960's and the rest all go back more than 100 years. I'll hunt anything on the planet with those 4. New wizbang calibers hold no interest for me.