Aim Sports ZHMGB01 Zero Hour Micro Gas Block .750" Low Profile
https://www.tandktactical.com/shop/815879014795-aim-sports-zhmgb01-zero-hour-micro-gas-block-750-low-profile-17584
https://www.tandktactical.com/web/image/product.template/17584/image_1920?unique=a5391a7
Low profile micro gas block fits .750 barrels. Made of 1018 steel and finished with a black phosphate coating.
