Anyone here into firearms?

SouthArk370Z

Tried again, paying close attention to position of bolt and running the slide through its range whilst pulling/pushing/twisting, and still no go - the barrel is in there TIGHT and never budged. As far as I can tell, there is nothing inside the receiver holding the barrel (but not 100% sure). I don't see anything that would retain the barrel in this exploded diagram (other than the magazine screw).

Side note: You can't always depend on exploded diagrams. Was working on a different shotgun that someone had torn down and couldn't get back together. Downloaded an exploded diagram but couldn't get the hammer to go back in right. Found out that the spring that propels the hammer was shown backwards in the diagram.

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VABAM

This might sound silly but I would make sure the barrel can come off. If Mossberg has a serial number search, I would check the model and variant just to be sure. If it can come off I would soak it in WD-40 or similar oil for a few days. If it won’t come off then I would secure the action in a vise and tap on the barrel/tube support (see attached pic) with a wooden dowel and rubber mallet. If it won’t come off after that then you’re in gunsmith territory.

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SouthArk370Z

Good idea. I'll check it out.

For the last two days, I've been giving everything a shot of WD 3-4 times a day and then tapping on the barrel and receiver with a deadblow hammer. I also unscrewed the magazine bolt and rapped the bolt with the deadblow, trying to drive the receiver off the barrel. Tried hitting the barrel on the sides to maybe loosen things up - no luck. I'll wait a few more days before getting very rough with it.
I don't have a vise that I would want to clamp a gun into. Guess I need to invest in one.
I hadn't thought about using a wood dowel. Looked around the garage - no wood dowels and all my scraps are soft wood. I think the Atwood's down the road has some hard wood dowels.

Thanks for the input.

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Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

Rusty

I have an old AT500. I'll take a look at it tonight, and post up.

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