MK Machining Picatinny Rail Bubble Level

$19.99
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Use this economical picatinny-mounted rail level to ensure your rifle isn’t canted when shooting long range.  Just a few degrees of cant will cause considerable shot dispersion at longer ranges!  Proudly printed from PETG polymer, with a metal thread insert for bolting strength.  Sized to sit just beyond rings, but not stick out too far from your optic and snag on objects.