Safariland Model 6360rds Als/sls Mid-ride Level Iii Retention Duty Holster For Sti Stacc P Duo W/ Light Black . This Holster With The Automatic Locking System (als) Builds On The Foundation Of The Self Locking System (sls). It Locks The Weapon In All Directions Upon Holstering It's Operable With The Thumb And The Weapon Can Be Drawn Straight Out Of The Holster With No Twisting Required. gun Fit: sti Stacc P Iti M3 sti Stacc P Streamlight Tlr-1 sti Stacc P Streamlight Tlr-1hl sti Stacc P Surefire X200 sti Stacc P Surefire X300 sti Stacc P Surefire X300u sti Stacc P Leupold Deltapoint sti Stacc P Trijicon Rmr sti Stacc P Dr. Optic sti Stacc P J Point sti Stacc P Vortex Viper sti Stacc P Burris Fastfire sti Stacc P Inforce Apl sti Stacc P Nightstick Twm-350 sti Stacc P Nightstick Twm-350s sti Stacc P Nightstick Twm-850 sti Stacc P Nightstick Twm-850s Specifications for Safariland Model 6360rds Als/sls Mid-ride Level Iii Retention Duty Holster For Sti Stacc P Duo W/ Light: Manufacturer: Safariland Color: Black Finish: STX Basket Weave Package Contents: Safariland Model 6360rds Als/sls Mid-ride Level Iii Retention Duty Holster For Sti Stacc P Duo W/ Light