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If the accuracy of them is there, they would be fine. Although I would guess they might start to keyhole at long distances, but should be fine out to 100 yards. All you can do is try them but at their cost, you do not really want to shoot to many. They were made to be shot out of the faster twist barrels, but many people underestimate the 1:48 twist. It will do a lot more then people think.

Whether it would have better performace then a conical bullet in a hunting situation.. well that is hard to say. I have shot conicals deer hunting and they always worked excellent. Also do not forget the effective abilities of the roundball. All too often people look for a bigger better projectile when the one they have works fine. Shot placement will always be the key to any projectile you shoot.

All you can do is shoot some powerball and see whether the rifle likes them or not. Do not try to push them too hard, and remove the plastic button off the bottom of them first and lube the lead conical spike. Then replace the button and shoot. It will help the powerbelt shed the button faster.

Good luck with what ever you try.

When they first came out, I had excellent results with the .50-295-grain lead "Black Belt" in my 1/72" twist Hawken. My powder charge was 120 grains of Pyrodex RS, and accuracy was good at 100 yards.

I recently shot some of the new copper-plated 295-grain Power Belts with the same powder charge in the same gun, and the results were horrible! I think maybe the plastic wad is not coming off these new ones like it used to do??? What other causes could spoil accuracy in a gun that used to shoot them so well? This rifle is still extremely accurate with both RB's and 370-grain Maxi Balls! So I don't think it's the gun!

You've probably got it diagnosed, eldeguello. I think the copper plating on the post makes it a little thicker and unless you add a dab of lube to the post or at least loosen it some by working it on & off a few times; you run a risk of it not separating from the bullet...........especially on a charge as hot as 120gr.

I shoot a caplock with a 1:48 twist, 295 gr Powerbelts, 90 grain powder load. At 75 yards and iron sights, I can hold about a 2" to 3" pattern. Not too bad for these old eyes!

Don't know if it makes a difference in accuracy, but my ML is a replica of a Kentucky long rifle, so very long barrel. Don't remember length, but so long that I couldn't find a hard case long enough, so had to make one.

Bruce