• Fits rifle scopes with lens up to 50mm
• Weight: 238g
• Overall length: 149mm
• Width of rings: 21.6 mm
• Distance between rings: 71.12mm
• Offset from first ring: 35.56mm
• Distance - top of rail to centerline of ring: 38.1mm
• Made from 6061 aluminum, anodized
• 100% made in the USA