When I load for my underwood carbine I use IMR4227 and any reasonably priced 110 grain round nose bullets. I think off the top of my head a throw about 14. grains in the case I also use the LEE factory crimp die. I always have good results.
Using some data that I saw else where I did a couple of test today with the HAP 115 bullets and CFE pistol. I loaded 5.0 Grains of CFE and loaded to COAL of 1.1 , It felt a little on the soft side and soot was on the case. I also did a load with 5.2 grains and it felt a little better and was a...
The bullet listed is the Speer gold dot. I am using the Hornady Action Pistol bullet. From other known data the HAP seats deeper and generates higher pressure thus, looking for specific data on the HAP/XTP (data is interchangeable).
I have been searching for loads using 115 grain HAP bullets and CFE pistol powder. I cant find data on the 115 but I found some on the 125s. I know they are close weights but I would rather not start with to light a load. Does anyone have any data on this combination?