Always use a rifle if it is legal where you hunt. A shotgun is very deadly at relatively close range but a rifle is almost always more deadly and therefore more humane. A deer rifle should be at least .
Do you use shotguns for hunting?
Shotguns were originally designed to fire multiple small projectiles in a single shot. This method is still used mainly for hunting small game, and, occasionally, for hunting deer with buckshot, but modern shotguns can also be used for bigger game (deer, bear, etc.) when loaded with slugs.
How far can you shoot a slug accurately?
The “NRA Firearms Fact Book” says: “Shotgun slugs should not be used at ranges greater than about 75 yards.
Is a 12 gauge shotgun more powerful than a 20 gauge?
Performance. Because a 12 gauge shotgun shell has more volume than a 20 gauge shotgun shell, it fits more powder and bigger projectiles. This means you will get a harder-hitting shot at a greater effective distance with a 12 gauge than you will with a 20 gauge.