Spike's Tactical is a US manufacturer which creates high quality parts, uppers, and complete rifles. Every component is manufactured to Mil-spec standards and is backed by the Spikes Tactical lifetime warranty. This particular item is an AR-15 ST Micro gas block. The diameter of the gas block at the gas seat is designed for .750" diameter barrels. The block is made from solid billet steel and it features a black nitride coating. This gas block installs with set screws which are included.

Specifications and Features:
Spike's Tactical SUGB120
AR-15 ST Micro Gas Block
.750" Diameter
Set Screw Installation (2 Screws)
Solid Billet Steel
Black Nitride Coating
Overall Weight 1.9oz
Matte Black Finish