The Gun Bore Gauge from Vector Optics is a simple brass bore gauge that allows you to quickly and easily determine your gun's caliber. The gauge has a caliber scale in inches, millimeters, and weight. The larger end of the gauge has a hole that allows you to thread a line, retractor, or lanyard through it.

Key Features

• enables quick measurement of barrel caliber
• three measurement units: inches, millimeters, weight
• made of brass
• hole for threading a rope or leash

Set components

• Gun Bore Gauge

Technical parameters

• caliber scales: inch, millimeter, weight
• material: brass
• weight: 12 g