The A.R.M.S. Aimpoint Comp Mount #22M68 is designed exclusively for Aimpoint Comp ML 1, ML 2, and ML 3 sights. With its low standard height, this mount allows for perfect Red Dot co-witnessing on M16 and M4 rifles when used with A.R.M.S. #38 Swan Sleeves and S.I.R. Systems without the need for a spacer. For direct mounting on flat top rails, a full spacer is required. This mount includes the #17 Mount, ensuring a secure and reliable fit for your optics, enhancing your shooting experience. Whether in tactical situations, competitive environments, or during hunting trips, this mount provides the stability and precision needed for accurate aiming.