Leupold Mark 4 35mm Medium Aluminum Scope Rings – Picatinny Rail Mount, Matte Black | 178531

The Leupold Mark 4 35mm Medium Aluminum Scope Rings (MPN 178531 / UPC 030317024802) are precision-machined mounting rings engineered to securely attach a 35mm tube riflescope to a Picatinny rail or Mark 4 cross-slot base. Featuring Leupold’s proven cross-slot design and rugged aircraft-grade aluminum construction with a matte black finish, these medium-height rings deliver dependable, recoil-resistant performance while maintaining proper eye relief. Ideal for hunting, tactical, and precision rifle setups, they represent a reliable mounting solution backed by Leupold’s lifetime guarantee.

Key Attributes & Technical Specifications:

• Brand / Series: Leupold Mark 4 scope rings — rugged precision mounting system. 
• MPN: 178531
• UPC: 030317024802
• Product Type: Scope rings / mount accessory
• Tube Diameter Compatibility: 35 mm main tube optics. 
• Material: Aircraft-grade aluminum — lightweight yet robust. 
• Finish / Color: Matte black hard-coat anodized — durable and non-reflective. 
• Mount Type: Picatinny rail / Mark 4 cross-slot compatible. 
• Ring Height (Optical Centerline): Medium – approx. 0.90″ above rail. 
• Keeper Clamp Torque: ~65 in-lbs recommended (Leupold standard). 
• Ring Top Screw Torque: ~28 in-lbs recommended (Leupold standard). 
• Weight (Pair): ~3.4 oz (approx.) — balanced for strength without excess weight. 
• Design: Precision cross-slot engineering for superior structural integrity and consistent clamping force under recoil. 
• Lifetime Guarantee: Backed by Leupold’s lifetime guarantee on mounts (industry standard). 
• Intended Use: Securely mounting 35 mm riflescopes on Picatinny rails for hunting, tactical, and precision shooting applications. 
• Country of Manufacture: USA quality engineering and construction typical of Leupold products.