Expandable Arbor Kit Case & Arbors.17 - .45 calibre, box

The Bushnell Professional Boresighter is an indispensable tool for quickly aligning the riflescope or sight with the barrel of your rifle or handgun.

Proper use of this instrument will save you time and ammunition for test shots.

Due to the many variables that play a role in both the ammunition and the firearm, the final "sighting in" must be done with live ammunition.

This kit includes:

• 17" mandrel
• 22 - 27" mandrel
• 7 mm - 35" mandrel
• 35 - 45" mandrel
• Case
• Operating instructions