How to secure action bar on Mossberg 500 forearm....staked to slide tube?

TheCoachZed

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Trying to restore an old Mossy 500 for my brother-in-law (it was his grandfather's) and the action arm is loose. I got the wood grip off the slide tube to see there was nothing securing the action arm to the slide tube; I think they're supposed to be staked, but this one sure isn't.

Is there any way I can do this myself, or is it a gunsmith job? Where would I even find an appropriate-sized pin?
 
The old wood forends were friction fit on a tube and held tight by a ring at the end. They werent staked. The new versions are and they are prone to breaking
 
Most single action mossbergs were the model 400 . On with the repair yes there is movement up and down even when the retaining pin is in place . Now for the repair I usually drill out the hole in the arm and on the action sleeve where the arm sits image it a 6-48 thread which is a weaver base screw put the arm in the slot on te sleeve install screw grind the head off better than new . Now your fix you will not have a 6-48 tap so just use a no 6 -40 common thread and it will work just as well
 
Most single action mossbergs were the model 400 . On with the repair yes there is movement up and down even when the retaining pin is in place . Now for the repair I usually drill out the hole in the arm and on the action sleeve where the arm sits image it a 6-48 thread which is a weaver base screw put the arm in the slot on te sleeve install screw grind the head off better than new . Now your fix you will not have a 6-48 tap so just use a no 6 -40 common thread and it will work just as well

Hrm. That might work if I can find some weaver base screws
 
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