Bushnell Professional Boresighter Kit .17-.45 w/3 Arbors & Case

The Bushnell Professional Boresighter kit is a compact alignment tool intended to assist with initial optic and sight alignment across a broad range of small-bore to medium-bore calibers. The kit includes expandable arbors to adapt to varying bore diameters and is supplied with a protective storage case for organized transport. Designed for straightforward use, it helps reduce time spent on preliminary sighting before final adjustments at the range.

Key Specifications

• The kit covers calibers from .17–.45.
• The package includes three expandable arbors to fit multiple bore diameters.
• The kit ships with a storage case for component organization and protection.
• Primary construction material is polymer.
• The external finish and color are black.
• Package dimensions are 2.50 x 3.75 x 5.95 inches.
• Package height is listed as 2.5000 inches.
• Package width is listed as 3.7500 inches.
• Package length is listed as 5.9500 inches.
• Package weight (shipping weight) is 1.05 pounds.

Engineered for practical, low-friction use, this boresighter kit supports efficient preliminary alignment workflows to help minimize range time during final zeroing. Its compact footprint and organized storage make it a useful accessory for bench work, routine maintenance, and preparing optics prior to live-fire verification.