Have just purchased my first B/P - T/C Black Mountain Magnum .50 cal, 1 in 28 twist. The gun came with a musket cap nipple at least that's what the write up says but the manual keeps referring to a No. 11 nipple. The nipple installed in the gun is larger than the extra one. The smaller appears to be No. 11 as it accepts No. 11 caps. I plan to shoot either Pyrodex pellets or Pyrodex R/S. Which nipple is better (hotter ?).