MKM Billet Rail Mounted Level

Ensure your rifle is level to increase long range accuracy and consistency with the MK Machining Billet Rail Mounted Level. Milled from 6061 Aluminum with a Type III Hardcoat Anodization for an aesthetically appealing, highly durable finish. Open-top design lets maximum light to the vial, which is encased in aluminum for a protected design. Installs under nearly all optics with no removal necessary.