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Brandy · April 16, 2010, 01:38 PM

on a muzzleloader unless you pull the breech plug or it will get stuck.
I'd fill the bore (with the barrel off the rifle and the nipple plugged) with penetrating oil over night. Then put it in a lead padded vise and remove the breechplug. Start with a bronze (NOT steel) brush, give it 100 strokes with regular applications of Hoppe's. Then put patches through it until they come clean as possible. Then light it up and see just how bad things are. If it's just a bit rough you can lap it out (see Dunlap's Gunsmithing). If it's really bad it can be rebored (High Plains reboring, Turtle Lake ND) or a new barrel installed.
Since it is only a $300 rifle new, I wouldn't spend any money on it as there are a lot better percussion MZs out there.

http://www.gunbroker.com/Auction/Vie...Item=165232924

April 16, 2010, 01:38 PM	#8
Brandy Junior member Join Date: March 31, 2010 Posts: 151	Don't use a metal bore brush on a muzzleloader unless you pull the breech plug or it will get stuck. I'd fill the bore (with the barrel off the rifle and the nipple plugged) with penetrating oil over night. Then put it in a lead padded vise and remove the breechplug. Start with a bronze (NOT steel) brush, give it 100 strokes with regular applications of Hoppe's. Then put patches through it until they come clean as possible. Then light it up and see just how bad things are. If it's just a bit rough you can lap it out (see Dunlap's Gunsmithing). If it's really bad it can be rebored (High Plains reboring, Turtle Lake ND) or a new barrel installed. Since it is only a $300 rifle new, I wouldn't spend any money on it as there are a lot better percussion MZs out there. http://www.gunbroker.com/Auction/Vie...Item=165232924 Last edited by Brandy; April 16, 2010 at 01:47 PM.