Mac-1 LD bolt

So first I find the bolt pin broken but was able to locate 3 and easily replace the broken one. Worked great for a bit but now I find the end of the bolt no longer attached. Guess I’m lucky to have it, as it wasn’t fired downrange with a pellet. Will reinsert easily, any ideas on how to keep it properly reattach? 

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Ouch no threads! If it still fits snug some red locktight or some kind of epoxy would probly werq. Otherwise of it is loosy goosy and steel you can use a hammer and punch. Tap it on three sides to warp it out of shape a little so it has an interference fit. Or you might be able to run a small pipe cutter around it in a couple of spots, once again if it is steel, to tighten things up at the risk of dulling the blade a bit.

Good luck