High Quality One Pair Two Pin 25.4mm Ring High Profile Scope Mount

Made of high quality 6061 aluminum alloy.

Fits 11mm  (3/8")r a i l s and bases as commonly found on r i f l e s , p i s t o l s, and some crossbows. 
Clamps onto W e a v e r base/r a i l  and tightens using a hex screw

Material: Aluminum 

Ring diameter: 25.4mm or 30mm
Mount size: 11mm
Weight: 50g
FINISH: Black Anodized Aircraft Grade Aluminum

Note: The photo show 1inch ring only, but 30mm ring is available too.