Sig Sauer Echo SV BOBRO Quick Release Rifle Scope Mount - Black - The BOBRO Quick Release Mounts are a premium upgrade for the SIG SAUER ECHO SV35 & SV50 LRF THERMALS, offering enhanced versatility and a reliable mounting solution for your thermal optic. Designed with precision and durability in mind, this mount features both self-tensioning and self-biasing mechanisms, making them one of the most trusted options in the industry. These features help ensure your thermal optic won't shift or lose zero due to recoil or environmental changes. The quick-detach system allows you to remove and reinstall the optic without tools and without the need to re-zero. Features Self-Tensioning Mechanism - Automatically applies the correct amount of clamping force to a Picatinny rail without the need for manual adjustments. The mount adapts to rail tolerances for a snug, secure, and repeatable fit.; Self-Biasing Mechanism - Ensures the mount consistently aligns in the optimal position on the rail, maintaining a solid and repeatable point of contact for reliable performance.; Quick release functionality; Factory height; Anodized black finish.; Precision-machined aluminum construction for strength and lightweight performance.; Self-tensioning design maintains zero under recoil.; Tool-less quick-detach system for easy removal and reinstallation without loss of zero.;