The LEAP/12 replaces your EXPS factory lever mount and aftermarket Picatinny optic riser with a single integrated solution that is lighter, more versatile, and easier to use. 

The LEAP/12 includes a bolt-on Picatinny rail to co-witness standard height flip-to-side magnifiers

Designed for shooters who want the lightest, most compact, and versatile quick-detach holosight mount possible. The LEAP/12 redefines the standard for mounting your Eotech EXPS footprint compatible optic to your AR-15's Picatinny top rail. Available in a 2.26” optic height.

Made by CNC tech,  7075 Aluminium , Fits for EXPS3.