Designed to resist bidirectional recoil force the UTG Dovetail to Picatinny/Weaver Rail Adapter, easily slides on and universally fits both flat and rounded dovetail receivers. It is precision machined from aircraft aluminum and has a matte black hard-coat anodized finish. The 5 7/10” Picatinny top rail has 14 slots to provide flexible eye relief adjustment and mounting flexibility of various objects. The adapter comes with four high strength screws and adjustable recoil resistant stop pins, which ensures solid locking and zero holding. It will fit 9mm through 11mm airgun or shotgun Dovetail Rails. The saddle height is 0.59”.