The new Gemtech flash hiders are the culmination of user feedback, extensive testing, and decades of experience. The new flash hiders are more aggressive than ever to cut down on carbon build-up in your suppressor and to prevent it from getting stuck. All 5.56mm Quickmounts fit the M4-96D, G5, G5-T, Shield, HVT-QM, Quicksand, and One suppressors. The 7.62mm Quickmount fits TPR-S, HVT-QM, Quicksand, and One suppressors.