1 rings Fits 9.5mm-13mm dovetail Extra-long base 4 hex screws/ring secure the scope Windage/elevation adjustments Vertical stop pin Gimbel action eliminates scope stress Black matte finish The hex screws on the base let you adjust the base to fit the different width rails found on airguns. The clamp is made to securely fit a range of dovetail widths.
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