Wilson combat's lo-profile gas block will fit underneath all popular free-floating rail systems, but is heavy enough to evenly dissipate heat and resist gas leakage.Precisely machined from hardened chromoly steel with a dark, corrosion-resistant phosphate finish, this is the ideal gas block for a professional or amateur custom ar build.It is precision bored to.750" and includes the gas tube roll pin, for a length of.950".It also includes hardened set screws to secure it to your barrel.

Finish: Black Phosphate
Type: Gas Block
Model: Gas Block
Dimensions: .750"
Material: 4140 Chromoly Steel