adjustable gas block is designed to give you modularity and control over your AR-15's gas system. The TacFire MAR001S-ADJ-G3 third gen AR15 steel gas block allows you to tune your AR-15 rifle or pistol to shoot specific loads or run with specific gas lengths to shoot lighter and cycle more reliably. The TacFire MAR001S-ADJ-G3 also features a low-profile and is designed to be used with free-float handguards.

Material: All Steel Construction
Net Weight: 1.5 oz
Diameter: .750"
Finish: Black Oxide