BlackHawk T-series L3D Light-bearing Duty Holster Glock 20/21/37/38 & S&W M&P W/O Safety Plain Right Hand. Compatible with Trijicon RMR/SRO Leupold Delta Point Pro Sig Romeo1Pro and other similar sized optics the T-Series RDS Holster has an additional rotating dust cover to further protect optics from impacts and debris--removable if desired. Specifications for BlackHawk T-Series L3D Light-Bearing Duty Holster: Manufacturer: BlackHawk Color: Black Holster Type: Outside the Waistband Holster Holster Material: Polymer Accessory Attachment System: Belt Loop Application: Duty Fabric/Material: Polymer Features of BlackHawk T-series L3D Duty Holster Thumb-activated retention follows Master Grip Principle Fits for Streamlight TLR 1 and 2 and Surefire X300 Dust cover is removable if desired Package Contents: BlackHawk T-Series L3D Light-Bearing Duty Holster What firearm models does the manufacturer say BlackHawk T-Series L3D Light-Bearing Duty Holster is compatible with? The manufacturer suggests that BlackHawk T-Series L3D Light-Bearing Duty Holster is compatible with Glock 19 Glock 23 Glock 31 Glock 32 Glock 17 Glock 22 Glock 45 Glock 47 SIG Sauer P250 SIG Sauer P320 SIG Sauer M18 SIG Sauer M17 Glock 20 Glock 37 Glock 38 Glock 21BlackHawk 44N613BKR: T-series L3D Light-bearing Duty Holster Glock 20/21/37/38 & S&W M&P W/O Safety Plain Right Hand