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50 Caliber to 12 Gauge Expandable Arbor
by Bushnell
In stock at Brownells - Use Coupon M6S for free shipping over $49 til 12/31/17
on 1-25-2018.
Product Description

Expandable arbor fits bores from .50 caliber up to 12 gauge.  Works with Bushnell Professional and Deluxe Boresighters.