Level three handgun holster Compatible with several under barrel lights Reinforces full master grip Building on our track record of reliable holster performance, the Epoch Holster delivers three levels of weapon retention for our highest level of security. The patent-pending retention system engages the pistols ejection port when holstered and wont let go until you release it. As an added safety measure, the Pivot Guard opens by thumb activation and is designed so it wont close accidentally, locking you out of the holster. This unique design accommodates the most popular under-barrel lights on the market today, giving you all the versatility youve come to expect from BLACKHAWK!;Gun Fit- Glock 17 ;Gun Fit- Glock 22 ;Gun Fit- Glock 31table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }