Over-Powder Wad:
 The wad that goes over top of the powder charge is the only true seal in a muzzle-loading rifles bore, as its job is to stop all powder gasses from getting to or around the bullet. Because of sabot design, bullet design, for top performance I will use as many 1/8" thick felt over-powder wads it takes to stop barrel gases from getting around the bullet in the barrel, accuracy is increased tremendously and velocity will go up significantly as well.

  Failure to use a fiber wad with a conical bullet may result in excessive leading of the bore, poor accuracy and low velocity. Fiber wads are commercially available from a number of sources, they may be made from wool felt or plant fiber materials. These wads are generally lubricated with an all natural lube which assists in the creation of a gas seal and keeps fouling soft in the bore of the rifle.
 (Purchase Felt Wads Here).

Bullet Aignment:
 You absolutely have to start your muzzle-loading rifles bullet down the bore precisely and exactly centered in the bore for top notch accuracy. As of lately many muzzle-loading rifles bores have bullet guiding muzzles and this is truly an accuracy enhancer for those rifles.

 While many people think the bullet guiding muzzle is something new found on todays muzzle-loading rifles, that would be incorrect, many, early 1800's muzzle-loading rifles have tapered muzzles for correct and accurate bullet loading.

Sabot Orientation:
 A bullet is held firmly in place by a sabot, however the pressure against the bullet has to be even for the bullet to be accurate and accuracy in the bore of the muzzle-loading rifle rests mainly on the lands of the rifling. How you consistantly orient the sabot in the bore is critical for accuracy. The splits in the sabot must be loaded in direct center alignment to the bottom of the groove in the bore which allows the full complete petal of the sabot to have even pressure against the bullet and the lands in the bore, which increases muzzle-loading rifle accuracy.

 This alignment procedure will give you more accuracy from your rifle, because of bullet length and or sabot length, plus rifling twist rate you can further tweak your accuracy by ever so slightly adjusting left or right alignment. Once you have this tuned for maximum accuracy simply mark the end of your barrel with a little dab of paint for permanent reference for accurate loading of saboted bullets in your muzzle-loading rifle.