I had a similar experience myself. In fact, my experience with guns in the house is kind of analogous to my parents’ attitude about alcohol; it was never a big deal. If I wanted a sip of beer, bourbon or a mixed drink, it was no mystery. Likewise, going out shooting was a regular occurrence, so neither my brother or I ever had any interest in playing with any of the guns, even though we could have - easily. As a result, I grew up with a healthy respect for guns and alcohol and never had an inclination to abuse either.
Yes, I think parents can model a healthy relationship with guns just as they can model a healthy relationship with alcohol.