B07N7R7CW5 Pyser Optics Quick Zero AR-10 Weapon Collimator, Black

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Sights can be zeroed in the field to an accuracy and repeatability of 0.25mil (25mm in 100m / 1 inch in 100 yards) in less than a minute
Capability to zero and check zero sights any time, any place with no live firing
For zeroing iron, optical, night vision and laser sights
No batteries, adjustments or maintenance is required – No moving parts
Self-checking with supplied confidence checker
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