There are some very good jacketed bullets out there & they will work great on deer. On hogs you will want to be a little more choosey on bullets selection, they are more compact & many can have a gristle plate that will challenge some jacketed bullets.
Don't be concerned about the 41 maggie, believe me, it will do its part when the shooting starts. I shoot a 230 gr Keith style & a 250 gr LBT, both have taken plenty of big game, including elk. That wide, flatnose at 1100-1200 fps is fantastic, place the bullet correctly & you will get a nice, DEEP wound channel that will not fail you. We have taken one bull moose with the 230 gr softnose cast (one shot) but I didn't shoot it, my buddy did & he doesn't count!
The penetration of these slugs has to be seen to believe, with a jacketed bullet you normally give up some of the all important penetration once they start to expand, thats not a big deal on deer but when you switch to hogs, elk, bear, moose, etc you need to choose your jacketed bullets wisely.
A cast bullet is always consistent, it drives straight, deep & doesn't worry about angling shots. A jacketed bullet in soft tissue & at the proper velocity will put meat in the freezer, that same jacketed bullet that deflects off bone can lose almost all of the necessary penetration & fail.
Dick