You have a GREAT Rifle!! As you can tell I favor the 451 as well. What bullets and load do you use?
By the way, Welcome to the Forum! Also, you can post your questions regarding your White ML to the DWB "Dirty White Boy" Forum. It's where guys who own White ML's post their questions.
If you cast, try the Lyman 330gr HP Gould mold. Mine cast a Bullets that weigh about 350gr. Me and others love this bullet for deer. Plus the recoil is more tolerable.