There are certain things in life with a minimum age limit like driving, drinking alcohol, and even voting, but is there a minimum age limit for your constitutionally protected rights? That was the question Caleb Reese and others wanted asked, when they filed a lawsuit against the Bureau of Alcohol, Tobacco, Firearms, and Explosives regarding 18 USC §§922(b)(1) and (c)(1), which prohibit the selling of handguns to 18-20 year old adults.