Basic shotgun/slug question

[Benito]

In order to shoot slugs, a shotgun barrel needs to be cylindrical bore (no choke), right? Are these rifled or smooth bore? If smooth bore, how does the slug get stabilized, since it has no spin?

 

[Wendell]

Use the SEARCH THIS FORUM in this (Shotguns) Forum and search for slug, choke, and barrel.

All your questions have been addressed there.

 

[12magnum]

The barrel doesn't have to be cylinder,but the best results come from more open choke for slugs that are rifled and are meant to be fired from a smooth bore. Rifled slug barrels are meant for sabot styled slugs and funcrion the same as a rifle barrel.The rifling or twist, which is on the slug fired through smooth bore shotguns , gives it "spin" in the barrel and thus stabilizes it in flight.

 

[Onagoth]

Shotguns

Slugs can be fired from a cylinder bore, but as you have already alluded to, the results aren't going to be far less accurate than sabot slug in a rifled barrel.