Discussion in 'Mossberg 500 Pump Action' started by david cartwright, Sep 28, 2017.
Are the 20 gauge barrels interchangeable between single and double action bar receivers?
I believe the barrels are, but someone more knowledgeable may correct me.
Do not exceed the specs of the receiver. If it is an older one that may be only rated for 2.75" shells do not try and shoot 3" if the barrel is spec'ed for that.
I have a single bar one, and the receiver only has one hole. I would imagine you could put a single action bar on a double, but not sure why you’d want to.
Correction/ yes the barrels are, but the action slides are not.
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Had someone wanted to buy a barrel I had. He had a older model with single bar.
The barrels interchange no problem
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