Well I can't give you any specific "40" info, but I have used my 10mm quite a bit in the woods.
Mine is the Javalena with the 7" barrel so I get a bit more from my loads than the shorter barrels. My mainstay load runs 1350fps with the 180gr bullets. I have used just about all of the major brand names bullets on hogs and have narrowed down the better ones to the Winchester 180gr JHP, and the Gold Dot. I know that everyone has this that or the other which they feel is best for one or more reasons, but like I said these two have performed the best for me.
While I admit that a hog isn't a deer, they are a good test as to what a load will do. We have shot enough of them that when our load will readily drop them deer are pretty much an non issue if you put the shot where it should go. These three were taken between 20, and 30yds using the 180gr GD, as you can see they penetrated just fine and exited with a broadside shot,
I know the little one in the middle isn't much to brag about, but they are MUCH harder to hit on the run when they are that size, especially in the head. The point is that the 180's work very well in this caliber for hunting. If you used a cast instead you would probably get similar results with a round flat nosed that will feed.
As for the Remington's that were offered, they would probably work equally as well. I simply cannot say as I do not remember shooting them in this particular weight. Not that I haven't, just that when I did most of my testing it was the first couple of years I had the pistol. Once I found a load(s) that did what I needed I pretty much stuck to it. I loaded for both accuracy and performance, and the Win's and the GD both shoot around 2" out to 50yds on most days and some days less. I'm the weak link there not the loads.
One other thing you might also look into is someone who might have a little AA-7 or 9 in your area that you might eb able to trade out for some of. These both work great in the 10, with the 180gr weight bullets, and should but to a lesser degree with the 40.
Hope this helps and wishing you the best on your hunt.