BH209 and NO BATHTUB. Use the TEZ, much easier to cram down the barrel and get a good seat. Use Hoppe's No. 9 to clean.
Practice, practice. I only use 95 grains of BH and made a kill at 156 yards. Iron sights.
With frost on the ground in Mearns country you have no worries about it being too warm for your dog. It was the first place my Llewellin discovered that sleeping bags are not necessarily for sissies. Temperatures around New Years were high teens low 20's.
If you go you will discover the most...
Solo Hunter is available 24/7 on Youtube which if you have internet you can get. All the shows hunting private land at exorbitant prices are fluff. Even the guys filming their hunts can't afford to hunt there. They all get comped.
I put a raised bed with insulation on the back, insulation side down, carpet covering it. I also use a Thermarest pad. I used it in 20 degree weather out hunting Mearns in AZ. Bought a 7 gallon water jug which gets tied against the front of the bed.
Brought a spare sleeping bag for my dog...
Oops. As I read the regs, and PLEASE correct me if I am wrong, inlines firing on primers are not legal. Percussion caps are the most modern you can shoot.
T/C Omega. Hoppe's No. 9 to clean. Always BH 209. Use CCI primers not Winchester (poof and no deer at 20 yds).
And be careful with 209 if it is below freezing. I once left mine out in 15 degree weather and when I sighted in on a 3x4 buck it failed to fire. Keep the gun in the tent with...