ATI Outdoors ADV Tech .750 Low Profile Gas Block – AR-15 Platform

The ATI Outdoors ADV Tech .750 Low Profile Gas Block is a direct replacement for standard-diameter front sight base assemblies on AR-15 platform rifles. Designed to sit beneath free-float handguards, this low-profile block redirects barrel gas into the gas tube without the added height or weight of a traditional front sight tower. Upgrading to this style opens up options for extended rail systems and provides a cleaner barrel profile for optics-focused setups.

Constructed from steel with a black oxide finish for corrosion resistance, this gas block features set screw mounting for secure installation on .750-inch diameter gas port journals. Installation requires removal of the existing front sight base, proper alignment of the gas port, and securing the block with included set screws. A gunsmith or experienced builder is recommended to ensure correct gas system function and headspace safety.

• Part Type: Low Profile Gas Block
• Compatible Firearms: AR-15 rifles with .750" barrel diameter at gas port
• Material: Steel
• Finish: Black Oxide
• Installation: Professional Recommended
• Includes: Gas block, set screws