Redfield Mounts Redfield NGS Non-Gunsmithing Mount S&W K/L Drilled & Tapped Stainless Steel A405D4DE RD. Image shown is approximate. Features of Redfield Mounts Redfield NGS Non-Gunsmithing Mount S&W K/L Drilled & Tapped Stainless Steel: High-quality materials Designed with the needs of the shooter in mind Package Contents: Redfield Mounts Redfield NGS Non-Gunsmithing Mount S&W K/L Drilled & Tapped Stainless Steel From high-quality materials and designed with the needs of the shooter in mind this mount system is nothing else you will find on the market. Image shown is approximate. RD412005