UTG RDU012515 pro sporting type 1 /2pcs medium profile p.o.i dovetail rings

Proudly Designed and Made in USA Medium Profile Precision Optics Interface (P.O.I) Scope Rings Have a 28mm centre Height to Fit 1″ Tube Optics with up to a 55mm Outer Objective Diameter The innovative Precision Optics Interface (P.O.I) Addresses 3 of the Most Critical Areas in Scope Rings) Progressively Machined and Precise Inner Diameter to Achieve a Seamless Interface Between the Scope Ring and Tube b) Torx Screw Locking Side Plate Controlled by Dual Spring Loaded Guide Rods Precisely Clenches Dovetail Rail for a Secure and Repeatable Zero Hold c) Removable Threaded Recoil Stop-pin Provides an Additional Interface Point with the Dovetail Rail for Added Security Against Bidirectional Recoil Original Snag-free Contoured Profile with Reduced Weight and Size 6061-T6 Aircraft Aluminium and Steel Construction with a Matte Black Finish 2 Piece Ring Set, Each Equipped with 4 Top Torx Screws, Mounts onto Most Dovetail Rails NOTE: We recommend to tighten the ring top screws with a torque value of about 25 inch-lb and the side plate screw with torque value of about 45 inch-lb. Material: Aluminium Weight: 2.5 oz Pieces: 2 Rail Type: Dovetail Profile Level: Medium Ring Diameter: 1 Inch Ring Width: 22 mm Max. Scope Outer Dia.: 55 mm Screws Per Ring: 4