Weaver Magnetic Boresighter
With the Weaver Magnetic Boresighter, dial in your firearm fast and easy. This handy tool makes quick work of scope sight-ins; saving you time, money and the headache of wasting rounds while you try to zero your firearm. The Weaver Magnetic Attach Boresighter magnetically attaches to most firearms and features an internal target for rapid adjustments. Simply align your scope's reticle with the boresighter's specialized internal target for reliable preliminary sight-in. Lightweight and compact, the Weaver Magnetic Compact Boresighter is a must-have for any shooter's range bag.