But, duty holsters have their place, particularly in law-enforcement and security circles, and they do provide some benefits to civilian users, too. For the most part, duty holsters can be separated into different categories based on their firearm-retention levels. Safariland BallastSafariland developed its latest Ballast duty holster after listening to years of feedback from users and incorporating new design elements. They make some great products, and they've recently come out with the Guardian Duty Holster," Grazio said. Fundamentally, while all duty holsters are similar in offering different levels of retention, each duty holster provides its own set of unique benefits that can be useful to the average handgun enthusiast.