Aero Precision Low Profile Gas Block allows you to install an extended free float handguard on your AR-15 beyond the gas block. Fits barrels that are design for a .750 diameter gas block. These gas blocks along with Aero Precision's gas tubes create an efficient and reliable gas system for your AR-15 or AR-10 rifle build.
• Fits barrels with .750 OD
• Low profile for easy fitment
• Set Screws are Steel 10-32 x 3/16 Knurled Cup Point
• Made in the USA
• *Roll pin not included*
Note: Aero Precision does not recommend the use of red thread locker on the threads of the set screws. If you decide to use thread locker, Aero recommends using the non permanent variety.