Rifle Scopes mount,25.4mm-30mm ring

Material:6063 aluminum 

Finish & Coating: Anodic oxidation 

Color: Black 

Length :26mm 

Width: 55.7mm 

Center height: 36mm 

Weight: 110g 

Impact :800G Ten thousand times 

Diameter :25.4mm/30mm 

Rail :21mm

Accessories: 

Wrench x1

Box x1