Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to choose shotgun shells and chokes [title] Distinguish between the two basic styles of shotgun shell. [step] From a shotgun, you can either fire " shot " or " slugs. " shot shells are plastic cartridges filled with tiny metal pellets and should always be fired from non-rifled shotgun barrels.

Ending1: Slugs are essentially a single, fairly large metal bullet loaded in a plastic cartridge. [substeps] The kind of shot used in shot shells also varies and it is important to understand the way shot is sized. Ending2: Slugs are small, cramped tube cartridges which can be fired from either the side or all the way down a barrel with chambers loaded. Slugs are elongated, typically about 5 feet (1.5 m) and are super-compact and ready to load without having to reload from a single barrel. Ending3: Slugs, on the other hand, are magazine shaped. Slugs may be passed along between shots. Ending4: Slugs are plastic containers that have suction cups and are placed inside the gun. [substeps] Slugs can be left sitting in the gun as it's loaded or re-loaded later on.

Answer format: ending1/ending2/ending3/ending4