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Feature

Compatible for 20mm picatinny waver rail, Shock resistant, Can be used on real fire caliber as well as air rifles, Anit-cant - make sure your scope is absolutely level, Can be place before, after, or under the scope, Attaches directly to weaver/picatinny dovetail to ensure bore and reticle alignment at a glance

Description

Metal Spirit Bubble Level for 20mm Picatinny Weaver Rail Rifle Sight Scope Mount