Uncle Mike's Law Enforcement is introducing its Slimline PRO-3 Triple Retention Duty Holsters and Dual Magazine Cases. These holsters and cases offer reduced size and bulk to enhance appearance and wearability. The SlimLine PRO-3 offers three types of independent retention:Uncle Mike's patented internal locking device, a retention strap/thumb break assembly and an adjustable tensioning device. Initial available applications include holsters to fit a number of popular Beretta, Smith ' Wesson, Glock and Sig Sauer service pistols with additional sizes becoming available throughout 2004.