"The Vortex Sport Cantilever Picatinny Mount features a 2"" offset to provide you with the proper position and eye relief. It's more than strong enough to stand up to constant recoil while retaining a lightweight profile. Provides easy one-tool mounting. Made from 6061 aluminum with low-glare anodized finish. Horizontally split for easier mounting. Laser-engraved torque specifications. Provides 2"" of offset for proper eye relief and head placement Made from 6061 aluminum Horizontally split for easier mounting Capable of withstanding constant recoil"