inline

I am posting this here since it seem the most likely place. My late Uncle bought this some time ago. Personally I don't see the point to it. Can anyone tell me anything about it? Looks like a replica rolling block but is a ML. I've owned rolling blocks before, and being a Pedersoli it cannot be...

The thread in inline muzzleloading forum ,"ENDS THE STUCK BREECH PLUG BLUES" , im putting up for a poll to be made a sticky . I hate to think of it getting "buried somewhere in time" out of easy reach for mz enthusiests both new and experianced . I feel its a Major Develpment addressing a age...