The first thing that is at the center of the concern here is safety first. This is especially true if children live in or visit your home. Your guns should be kept safely out of reach and locked away for optimal safety.
You can get anything from gun safes to gun cabinets. Most collectors like to display their goodies though. Glass is an option, but with kids or bad areas this is not as secure as a safe would be. For the ultimate protection you want to prevent access. Exposure or using gun cabinets to display your firearms should be avoided in these cases. Read more