Aero Precision LOW PROFILE GAS BLOCK .875'' W/AERO LOGO FOR AR-15 PHOSPHATE APRH100366C

The Gas Blocks from Aero Precision come in various sizes and finishes, as well as being engraved with the Aero Logo or just plain.

• Fits barrels with .625, .750, .825, .936OD’s
• Constructed from 4150 hardened steel
• Phosphate or nitride coating
• 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

Please note: We do not recommend the use of red thread locker on the threads of the set screws. If you decide to use thread locker we recommend using the non permanent variety."