The Odin Works 30mm Scope Mount is machined from 6061-T6 aluminum and hardcoat anodized black. It features a lightweight design and is forward canted by an inch to give you proper eye relief on your AR-15 rifle. This durable Odin Works Scope Mount is low profile with only 1.4" in rise, allowing you to get the center of your scope as close to bore as possible.Features: For 30mm scope tubes Machined from 6061-T6 aluminum Hardcoat anodized black 1.4" rise 5 oz.