ALG Defense Ergonomic Modular Rail Accessory Rail - Co-Witness 12 o'clock position | M-LOK

ALG Defense’s Co-Witness Accessory Rail for EMR with M-LOK. These accessory rails are priced per accessory rail and include all mounting hardware. This accessory rail is designed to be mounted at the 12 o'clock position of the rail and is designed to co-witness with the top of an M4 flattop.