Try e-gunparts.com
A properly loaded shotgun shell slug load, yes.
That is correct.
I have one that I would sell.
Try e-gunparts.com
Firing lead shot through a slug barrel will not damage the barrel. The rifling will distort the shot pattern and you will get less than desireable results.
i have a 12 gauge unrifled barrel 500 model.what type of slug do you reccomend for the mossberg
A rifled slug- yes.
Slug barrel
You can try Hasting's. They make after market barrels.
Shooting rifled slugs is the ONLY way to shoot thru a smoothbore for deer. If you shoot sabot slugs thru a smoothbore, it will not spin and therefore not be accurate. For accuracy, the slug must spin out of the barrel. Either shoot a rifled slug thru a smooth barrel, or shoot a saboted slug thru a rifled barrel.
The amount of constriction at the muzzle
The best way to find out is to check with the manufacturer or with a dealer that carries that brand