Thank you! I had thought I would try a 90 grain load. Just haven’t had the time. i think this will be a good winter project.I have 2 TC White Mountain Carbines . I love those guns . Unfortunately I retired both of them when I bought my TC Encores. But I wont sell them either.
So about the loads . Both guns are 50 caliber.
My 1st one loves 90 grains of Pyrodex by volume being measured with the TC adjustable brass measuring tube . This gun shoots a 350 grain TC Maxi Hunter conical and is a bulls eye machine with that load out to 100 yards.. Killed my biggest buck , a 235 lb 9 point at 65 yards with this gun using that load.
The 2nd one loves 80 grains of Pyrodex using the same brass measure . This gun shoots a 375 grain TC Maxi Ball conical and is dead nuts accurate with this load at 75 yards. I never shot this gun over 75 yards.
The bulls eye I was shooting with both guns is a 3 inch diameter circle . Both guns have fiber optic iron sights .
Both of these guns HATED to shoot Buffalo Bullets and Shock Waves. They were worthless in my White Mountain Carbines. Dont try using the pellets either. Stay with the Pyrodex powder. Is was lucky to keep an 8 inch cirle with the buffalo bullets. The shock waves were horrible just getting them down the barrel . I never tried round balls in either gun. I also had a TC Hawken . The White Mountain Carbines were more accurate than the longer barreled Hawken.
Another relative point for you. Stay with the original TC nipple. I tried the Uncle Mikes Hot nipple . Absolute junk. 3 out of 5 shots had delays. Threw it away and put the original back. Never an issue. I have used the CCI # 11 caps in the white container and another brand ( cant remember the name ) that comes in a red container. I have not had any issue with either one. One is a little deeper and thicker metal than the other. I like the shallower one better because sometimes the longer thicker one gets stuck on the nipple. But I have not had any issues firing with either one
Any other questions just ask away.
We used to shoot 90gr of pyro and the 350 maxi hunters with our white mountain carbine too. It shot great for us, but, I haven’t shot it in over 20 years. Still using the infamous MDM Buckwhacka with 90gr and the 295 power belts.I have a White Mountain Carbine. I surprised others have had accuracy with pyrodex. I found pyrodex to shoot extremely erratic.
I switched to FFG black powder and found accuracy to improve significantly. A 350 grain maxi hunter in front of 90 grains FFG was the load I found To work best.
Having spoke with a TC dealer from the 90s I leaned many people complained about erratic grouping when shooting pyrodex. Evidently many dealers knew of the issue. He stated it was due to the short barrel.