Final answer:
Legal hunting equipment typically includes a rifle chambered in .223 caliber or larger for an ethical kill, while the use of night vision scopes, lead ammunition, and fully automatic rifles is often prohibited or restricted. These regulations ensure fair chase, safety, and responsible hunting practices.
Step-by-step explanation:
When it comes to hunting with a rifle, various legal considerations dictate what equipment can be used for hunting games such as deer and antelope. Each state has specific regulations; however, there are general norms when considering what is legal hunting equipment.
Typically, a rifle chambered in .223 caliber is considered to be on the lower end of suitable calibers for deer hunting, though it is legal in many jurisdictions for hunting both deer and antelope. The consideration for caliber size is often dependent on ensuring a humane kill; thus, larger calibers which provide a quick and ethical harvest are encouraged.
Regarding scopes, the use of a scope with night vision capability is often regulated. In general, hunting laws prohibit the use of artificial light or night vision equipment to hunt game animals, to maintain fair chase principles. Night vision equipment may give hunters an unfair advantage over the game and can disrupt natural animal behaviors.
As for the type of ammunition, lead ammunition has come under scrutiny for its environmental impact and the potential harm it can cause to wildlife through lead poisoning. Many areas have restricted or banned the use of lead ammunition for hunting, recommending or requiring non-toxic alternatives such as copper.
Lastly, the notion of hunting with a fully automatic rifle is broadly illegal in the United States. Hunting regulations typically allow only semi-automatic or manually operated firearms. This is part of a broader set of laws designed to ensure safety and responsible hunting practices.