Adapter:
It only fits Standard Barrel (0.63 inch diameter)
Not fits Bull Barrel (0.92 inch diameter)
High quality Aluminum - Black Finish
Ruger 10/22 Thread Adapter to 1/2"x28, Adapts Ruger 10/22 for 1/2"x28 Accessories
Tightens in place with 3 Black Set Screws
Allen wrench Included
Linear Compensator
Color: Anodized Black
Material: 7075 T6 Aluminum
Length: 3"
Outer Diameter: 0.95"
Weight:1.6 OZ
Crush Washer Included