Safariland 6360RDS Tactical Holster, STX Basketweave Finish, Black, Fits S&W M&P 9 Core with Red Dot and X300, Laminate Construction, Right Hand 6360RDS-2222-481 The 6360RDS holster is specifically designed for firearms with red dot sights mounted to them. 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.