Welcome to TFF, bigshot.
Not sure what you mean by "borrowing." Generally, the gun laws in Colorado are pretty reasonable. We are a "will issue" state for CCW, and hunting is a major activity here, so the laws relating to firearms are rational. Denver tries to regulate more than other areas of Colorado. For example, it is legal in Colorado (except for Denver) for an adult individual to carry a loaded handgun in his or her vehicle for sefl-defense, even without a concealed carry permit. Here is a place you can read up on the laws relating to firearms in Colorado: