Technical Question on 209 Conversion & #11 Magnum Caps

Horniac

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I was wondering if someone could help me with the following two technical questions;

1) I just bought a 50 caliber Remington 700 stainless muzzleloader rated for 120 grains and converted it over to work with the 209 primers. The literature included in the conversion kit says if you were shooting 100 grains of powder with the original #11 cap, then the same 100 grains will now be as if you are shooting 120 grains with the 209 cap. Does that mean the maximum safe load in this gun is now 100 grains? I have not yet worked up any loads for it but wanted to understand what my maximum powder charge should be with the 209.

2) I also have a 54 caliber Knight MK85 which I am shooting 120 grains of pyrodex pellets and a standard #11 cap with the Barnes MZ 275 grain bullet. I get good groups with this combination. I am planning a late November deer hunt and I know the pellets are supposedly harder to ignite so I am considering switching to the #11 magnum cap. As in question #1 concerning the maximum charge with the 209 cap, can you still use the maximum charge in your gun (120 grains in my case) or do you have to downgrade it because you are using a hotter magnum cap? I know I will have to resight if I change to the magnum cap. If the magnum #11 caps burn hotter, why would anyone use the standard #11 cap? Any other pros and cons as to the use of the #11 magnum cap? I have heard some rumors that they blow apart or something like that. Do they work with the standard nipple that came with the Knight?

Thanks for your help.
 

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