Wilson Combat TRLPGB Gas Block Lo-Profile Gas Block .750\" 4140 Chromoly Steel Black Phosphate\n\nOverview\n- Lo-Profile gas block designed for AR-style builds\n- Compatible with most free-floating rail systems\n- Material: 4140 Chromoly Steel\n- Finish: Black Phosphate\n- Mounting: Hardened set screws included for secure barrel attachment