Using this M - 16A2 solid dummy replica is easy. You can use it in various training scenarios as you would with a real firearm for handling and movement practice. When using it, make sure to handle it with care, although it's sturdy, rough handling may still cause some minor damage. For maintenance, simply keep it in a dry place to prevent rusting of the metal parts. Wipe it down with a clean cloth regularly to keep it looking good.