The Traditions PA Flintlock is a sweet looking rifle, I was recently looking at one for myself.... (maybe next year) 
oh and please Keep us posted to let us know how the Traditions PA Pellet performs.
PA Pellet .50 cal. Flintlock
This new Traditions flintlock makes loading, shooting and cleaning a breeze. A removable breech plug allows you to clean through the WHOLE barrel.
The magnum receiver accepts up to 150 grains of Pyrodex pellets or loose powder.
Ignites Pyrodex Pellets
26" Octagonal performance barrel with 1 in 48" twist
Removable breech plug system
Shoots saboted bullets accurately
Includes:
Tru-Glo fiber optic adjustable sights
A magnum receiver accepting up to a 150 grain magnum powder charge
A solid aluminum ramrod
Swivels for attaching a sling
Takedown allen key supplied
Complete instructions and Lifetime warranty information
Stock = Mossy Oak New Break-Up
Caliber = .50f
Barrel = 26" Nickel
Rate of Twist = 1 in 48"
Sights = Tru-Glo Fiber Optic
Ramrod = Aluminum
Overall Length = 45"
Weight = 7 lbs.