All of Contessa’s Quick Release Scope Bases & Rings are made in Italy with a combination of the most advanced technology, high quality materials, and expert technical skills. These scope bases/rings are precision machined from solid steel and are designed to guarantee maximum stability and a long service life. They attach to the host weapon via Contessa’s Steel Insert System, which utilizes a quick release lever and hardened tri-alloy steel inserts to ensure a rock-solid connection and 100% repeatability when switching from one scope mount to another. Contessa offers a massive selection of mounts for many of today’s popular firearms and brands such as Remington, Savage, Blaser, Sako, and more. Features: Attaches to host weapon via quick release lever and hardened tri-alloy steel inserts to ensure a rock-solid connection and 100% repeatability Options are available for many of today’s popular firearms and bands Precision machined from solid steel Long service life Made in Italy Contessa SRL Contessa Picatinny Rail Adapter for SB02/SBP01 Night Vision Device QR Mounts EB01