Crucial Concealment, Covert IWB, Inside Waistband Holster, Ambidextrous, Kydex, Black, Fits Rost Martin RM1C NEW Trigger Bump- This subtle bump pushes against the belt to help angle the grip of the pistol towards the body Adjustable Retention- Holster tension can be easily adjusted with the tension screw Optic Compatible- Holsters are cut from the factory for compatibility with RDS (Red Dot Sights) Ambidextrous- This holster can be utilized by both RH or LH shooters Product Description The Covert IWB holster is a simple and effective way to carry inside the waistband (IWB). With an overall minimalistic design, this holster delivers necessary concealment without compromising comfort.