for the standpoint of buying factory ammo id go with the 416 remington due to the fact its a great caliber and I have never seen or herd from the source it has happened to of it jamming up or locking the bolt from the standpoint of the reloader 416 taylor all the way

for what its worth 375 h&h opperates at 44,000 units of preasure and the 416 remmy is 45,000 so why has noone ever claimed the 375 sticks but the remmy does