Like most of the parents, you are probably against guns. Real guns. At the mere sight of them, your knees turn to jelly. A gunless society is ideal but only law-abiding citizens can make it one. If guns are in the hands of goons, who will protect the gunless citizens? Nowadays, it’s hard to tell who are the law enforcers and the law-breakers.
You must be able to enforce “toys for peace” in your home. You should be conscious about this, as your boys and girls graduate from plastic toys that go “bang bang” to water guns. What are popular now are air soft guns using plastic pellets. They are quite expensive.