Warne 1 Inch MSR QD 2 Piece Matte Rings by Warne Product Overview offers the 1 Inch MSR QD 2 Piece Matte Rings. The Warne 1 Inch MSR QD rings are machined using state of the art CNC equipment to ensure precise measurements. The Warne 1 Inch MSR QD are made from high quality aluminum with a steel cross bar for added strength. The Warne 1 Inch MSR QD feature a quick release on each ring so removing and installing your scope is a snap. The Warne 1 Inch MSR QD 404LM is an Ultra High ring that will support up to and including a 56mm objective scope. Specifications and Features: Quick Detach Design CNC machined from 6061/T6 aluminum and anodized black for lightweight durability Steel Cross Bar Ultra High for up to 56mm Objective Scope