Marcool rings are machined in pairs for ultimate accuracy and consistency.

Torx style socket screws along with enhanced recoil lugs result in amazing stability and secure mounting.

· Diameter: 30mm

· Width: 25mm / 0.98 inch

· Finish: Black matte

· Material: 6061-T6

· Mount: 21mm picatinny

· Heavy duty designed for real firearms

· Suggested max torque 25in / lb

· Free fitting involved: Hex Key