Low profile to fut under most handguards:

 

  • Mil-Spec dimensions
  • .750 diameter
  • Aluminum construction
  • Anodized Black
  • Includes roll pin, 2 set screws and allen wrench
  • Not designed for bull barrels
  • Fits: AR .750″ barrels

Direct Link: https://3crtactical.com/product/750-low-profile-aluminum-gas-block-with-roll-pins/