500A from pawn something odd

micmacman

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May 2, 2026
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16
so grabbed a 500A from a pawn , 18.5 barrel , had poly furniture ,but i had a old set of lumber that just needed to refinish , while i was fitting the fore stock i noticed the barrel nut that threads into the mag tube is not/will not cinch tight to the barrel bracket, there is a gap , the barrel is seated arsfar as it can go into the receiver

this means (to me) the threads on the bolt will be taking punishment that if seated tight it would not normally be asked of it , is this normal and i just never had one like this , i own several and none do this

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poor choice of words , it cinches tight , it just doesnt cinch tight to the barrel lug/bracket , im thinking i may shim it , this will be Home D
 
Could be an aftermarket barrel or mismatched mag tube parts. Pawn shop specials always come with surprises.
 
Could be an aftermarket barrel or mismatched mag tube parts. Pawn shop specials always come with surprises.
no its a Mossberg barrel , i actually contacted Mossberg about it and they were very quick to respond , impressively in fact , they said it is perfectly normal , in fact evidently according to them it even says so in the owners manual which was not part of the Pawn shop purchase , so thats good enough for me

its not a huge gap and you kind of have to see it at the right angle to even notice , my concern was not about looks , but rather than safety since to me it means the threads on the takedown screw are absorbing all the energy from the blast

i may cut a gasket from a old tire tube just to prevent debris from collecting in there but thats pretty much it , other than that the new Home D shotgun is comeplete , blew up some milk jugs of water over the weekend to ensure everything works as it should

the fore arm came off a older full length barrel i am guessing (gun show purchase) , it was hanging up when bringing the slide back ,i suppose the taper is steeper on the 18.5 barrel, so i coated the underside of the barrel with vasoline from the receiver about 3 inches re assembled and racked a few times , disassembled and everywhere it was wedging had vasoline on it , i removed material in those areas and she is as smooth as can be

the other shotgun is my old Rem 870 i bought new in 93 , it was in rough shape from decades of hunting , i gave up hunting so it was time to do a face lift , so i did them both at the same time , i redid the metal and lumber on the 870 , only lumber on the 500

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no its a Mossberg barrel , i actually contacted Mossberg about it and they were very quick to respond , impressively in fact , they said it is perfectly normal , in fact evidently according to them it even says so in the owners manual which was not part of the Pawn shop purchase , so thats good enough for me

its not a huge gap and you kind of have to see it at the right angle to even notice , my concern was not about looks , but rather than safety since to me it means the threads on the takedown screw are absorbing all the energy from the blast

i may cut a gasket from a old tire tube just to prevent debris from collecting in there but thats pretty much it , other than that the new Home D shotgun is comeplete , blew up some milk jugs of water over the weekend to ensure everything works as it should

the fore arm came off a older full length barrel i am guessing (gun show purchase) , it was hanging up when bringing the slide back ,i suppose the taper is steeper on the 18.5 barrel, so i coated the underside of the barrel with vasoline from the receiver about 3 inches re assembled and racked a few times , disassembled and everywhere it was wedging had vasoline on it , i removed material in those areas and she is as smooth as can be

the other shotgun is my old Rem 870 i bought new in 93 , it was in rough shape from decades of hunting , i gave up hunting so it was time to do a face lift , so i did them both at the same time , i redid the metal and lumber on the 870 , only lumber on the 500

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Well, it sounds like both shotguns ended up exactly where you wanted them especially after all that fitting and refinishing work.
 
Well, it sounds like both shotguns ended up exactly where you wanted them especially after all that fitting and refinishing work.
very happy with both , the 870 especially , it was getting pretty haggard ,had some light pitting in a couple spots , i used Brownells Alumihyde II , ive had great luck with that stuff , ive done a couple AK47 rifles with it , makes a durable ,attractive finish , i usually let them spend time in the safe for a couple months to ensure the curing is as done as it can be

buffed the pitting areas and you cant see anything at all , looks great again
 
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