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Posted: 9/4/2011 9:27:37 PM EDT
| I am trying to get the slant brake off my M70AB2 because it has a gouge in it and I want to replace it. It shows no signs of being welded, the detent pin pushes in fine but the brake will not move. I have even tried wrapping it so it would not get damaged more and put a wrench on it and it still won't budge. Any suggestions? My next step is heat as I am thinking it might be soldered. |
It seems like someone else on here had that problem recently. If memory serves, I think they said that cosmoline had gotten onto the muzzle threads and hardened, causing it to "glue" the brake on to the barrel. Maybe take a propane torch and apply a little heat while working it. That may losen it up. 
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| Thanks, it was my last resort but at least it worked. I have never seen a break that stuck before. The one on my AR that was pinned and soldered came off easier. If anything around the house breaks I am now convinced that it can be permanently repaired with old cosmoline. |
| I am assuming a little bit of old cosmoline but when I took the brake off there is no corrosion or anything. The threads are black but clean as is the inside of the brake. It was either really really stuck from being on there for so many years or whatever was sticking it melted away from all the heating. |
| I had an old ar15 flash hider that was the same way. Could not get it to budge. I was cranking so hard the barrel was spining in the vise. I put heat to it and locked down on the FSB and got her to crack loose. Looking at the threads llike you said there was nothing on them so who knows. |
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