The locking tab design for an easier fit to MIL-STD 1913 rails.
Fit 20mm picatinny rail.
One panel has an integral pocket for SureFire & INSIGHT pressure switches
With high strength, heat, and impact-resistant polymer made from a proprietarily blended resin, precision molded to exact MIL-STD 1913 rail specifications.
5.9cm long x 1.4cm wide.