ok i just go a muzzle loader from my next door neighbor and he said the nipple was stuck in it and it seems to be ceased into the part of barrel would you guys suggest me heating the barrel and trying to push the nipple out and we have three other nipples so if it gets damaged it dont matter.
Thanks Dave,

Just remove the barrel from the stock if you can.
Place a tooth pickin the nipple and pour in some, light machine oil or vingar, WD40, rust blaster, coke/cola and give it a few days. It will loosen upand will be easy to remove.

al

I would remove the barrel from the stock and soak the end with the nipple in a small can filled with some sort of penetating oil. WD-40, Kroll, even motor oil. Let it sit a while. Then when you're ready, put the barrel in a vice and with a good tight fitting nipple wrench try and remove it. Heating it might indeed help.

Also depending on the make of the rifle.. all nipples are not the same so be sure you have the right nipple (new one) for the rifle.

If you heat it heat around the nipple not the nipple itself heat expands and if you heat the nipple it will expand and get tighter. lee

Sounds like good advice from these guys. I can't believe how some people treat their rifles.

It isn't always a case of treating things badly. Some times it is in the way one was taught to do things.
Say the rifle was an older one where removing the barrel isn't possiable easily. Maybe the person was taught to place a small hose on the nipple and punp water and soap thru it never giving any thoughtto the possiabilty some day the nipple may need replaceing.

Al

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If you are going to heat the barrel, double check to make sure it isn't loaded !!!!!! Not too long ago somebody didn't check first before heating and his buddy was standing in front of the muzzle. VERY TRAGIC TO SAY THE LEAST !!!!!

You can soak the nipple end of the barrel in a metal container with some transmission oil. The transmission oil can then be heated on a hot plate and allowed to cool to accelerate the process, but it still may take days to loosen it up.

Another idea is to put the end of the barrel with the stuck nipple in boiling water to heat it up. The drawback is that water will get in the barrel that will need to be dried out if you still can't get the nipple off.
A hot barrel will dry quicker than a cold one. Swab it to dry it out and then oil it to prevent rust or go back to soaking it in penetrating oil.

AAMEN with Dphobby. Before you heat make very sure that there is no load in the barrel. A friend of mine works for the national parks service and they recently got a number of old guns from the war of 1812, Brown Bess and the like. These had come in from other museums around the country. When he suggested checking them for loads the rest of the crew just laughed. Turns out that out of about 3 doz guns only a few were not loaded. For God's sake check the gun. It should be the first thing you do whenever you pick one up.