.875 Low Profile Gas Block Phosphate

These gas blocks along with our gas tubes create an efficent and reliable gas system for your AR15 or AR 308 rifle build.

Features:

• Fits barrels with .875 Outer Diameter
• Constructed from 4150 hardened steel
• Choose  Aero “A” Logo blocks
• Phosphate 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*