After “sighting-in”, don’t forget to reinstall the Boresighter and record the reticle position.
(see grid below)
Scope/Handgun Combination
Once you have secured the Boresighter to the barrel, place the handgun on a suitable
support. Remove the adjustment caps from the scope. Sight through the scope and align
the crosshairs with the crosshairs in the Boresighter using the scope’s elevation and windage
adjustments. Once you have aligned the scope crosshairs with those of the Boresighter, your
handgun is ready for sighting-in on the range.
How to Bore Sight a Rie or Handgun with Iron Sights
Once you have secured the Boresighter to the barrel, place the handgun or rie on a suitable
support. Viewing through the rear sight, adjust the sights to align with the crosshairs on
the graduated grid reticle in the Boresighter. When you have completed bore sighting, the
handgun or rie is ready for sighting-in on the range.
After “sighting in” by ring, reinstall the Boresighter in the muzzle of your gun and note the
position of your scope reticle on the grid of the Boresighter. Make a record of this position for
later use in checking the sighting in the eld. Be sure to note the ammunition that was used.
On the hunt, the Boresighter is an invaluable aid for making sure that your rie remains
accurately sighted when test shots would frighten the game for miles around! In the shop it
is ideal for checking stock bedding for sensitivity to barrel pressure.
How to Make Corrections for Bullet Drop
Using the scope adjustments, you can
make correction for bullet drop at a
specic distance provided the trajectory of
the specic load is known. Each graduation
on the Boresighter grid is equivalent to 4
inches at 100 yards. When the scope reticle
is below the grid center, the gun will shoot
high.
magnied partial
view of the graduated
grid reticle
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