The Sig Sauer Echo SV QR mount (Bobro-style) is a low profile quick release scope/micro optic mount designed to attach optical sights securely to a Picatinny rail with fast repeatable installation and removal. Styled after Bobro type clamps this mount offers a robust aluminum construction with a matte black finish a QD lever for tool free attachment and precise clamping geometry intended to return to zero after removal and remounting.