This Low Pro Micro gas block replaces the existing A2 front sight, and is sleek and small to allow a longer rail to be placed over. It is constructed of CNC steel and compatible with 5.56/223 firearms with a .625" diameter barrel. A roll pin & set screws are included.

Our Low profile micro gas block is CNC precision machined with superior quality steel. It is Heat treated, Erosion resistant with a Black Oxide Finish. This Low Pro Micro gas block replaces the existing A2 front sight, and is sleek and small to allow a longer rail to be placed over. Can be used when installing a Mid Length, Specter Length or Rifle Length hand guard to a shorter length gas system barrel. Roll pin and set screws are included. No modification to your barrel is required.

Features:

Outer diameter gas tube insert - 0.39 inches
Wall thickness - 0.129 inches

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