Uncle Mike’s Law Enforcement Slimline PRO-3 Triple Retention Duty Holster Uncle Mike’s Law Enforcement Pro-3 SlimLine Duty Holster comes with a patented locking device which keeps the gun in the holster under the most unfriendly conditions. This Uncle Mike’s LE holster has a laminated panel that curves to fit on the leg in order to create a stable platform for drawing the gun. The adjustable design of this tactical holster positions the gun below the raid jacket or tactical body armor, while the belt loop with a co-polymer stiffener fits over any belt. Pro 3 Duty Holsters are solidly secure, and as ready as ever. The toil of carrying a duty holster is reduced, thanks to an ergonomic design that works with your body in all scenarios. Uncle Mike’s can always be trusted for safety without sacrificing performance when using their holsters.