LEUPOLD Qr 2 Piece Bases A-Bolt / A7 MERCH ZCO scopes use Extra-low Dispersion

ZCO scopes use Extra-low Dispersion (ED) lenses for the objective components to maximize resolution

any time its needed

Patch holders can be used for a variety of calibers (See Fit Sizes) that makes them more universal for holding patches to start the cleaning process when saturating or lubricating the bore

ONLY the over travel screw will be present

LEUPOLD Qr 2 Piece Bases A-Bolt / A7 MERCH ZCO scopes use Extra-low DispersionLeupold steel Quick Release (QR) rings and bases make it easy to remove your optic from your firearm and replace it, all while maintaining zero (+ MOA). This specific model is for a Browning A Bolt and are a popular choice for muzzle loaders and large caliber rifles. The QR mounting system uses a patented lever mechanism, machined with precision tolerances, that engages the steel base to the ring by pulling it down and forward, locking it into place.