Every time Im done with the rifle I give it a GOOD cleaning. I disassemble the rifle (breach plug, bolt, etc). I then swab it with Hoppe's bore cleaner or TC bore cleaner. Sometimes both. I hit it with a wire brush and then hit it with more bore cleaner. After all is said and done I patch the barrel until clean and dry. I finish it off with some Rem Oil. I use bore butter but dont leave it in the barrel when Im not going to shoot the gun for a while.
Last night I was going to give it an initial clean for this weekend. I need to put a few rounds through it and make sure its still on the mark. I tried to back out the plug and it didn't move. I pulled and twisted and pulled more but it felt as it it had been welded in place? I ended up laying the rifle flat on a shirt and using a pipe wrench (on the plug wrench) to back out the breech plug. I literally had to fight it to the last thread! Ive cleaned this gun countless times but this is the first major problem that ive had. It didn't have any rust except for the threads.
Everything else was dry and clean. Im going to find some of the breech grease today but I cant help but wonder what I did wrong? Ive never seen anything stuck like that in my life! What do you all think?