【Class IIIA, <5mW】Gmconn green laser sight compatible with Picatinny rail. The safety Standard tactical green laser is class: IIIA, Output power: <5mW. Red light indicating for low. 【ONLY ONE Screw + 21MM Width Rail】There are two alternative screw holes, choose one for your preference and use the ONLY ONE SCREW to install the gun light/laser in a perfect location on your 21MM width standard rail with screw slot.
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