Zeadio 1-Inch to 30-mm One-Piece Scope Mount with Qick Detach Locks compatible with Picatinny Weaver Rail, ZS-KC31A Quick-detach feature provides emergency install and release Good for use with both 1-inch and 30mm scopes One piece body design for better scope alignment Manufactured from aircraft grade aluminum alloy Include a one-year manufacturer Zeadio.com's warranty against defects in materials and workmanship.