Medium Bore and Large Bore Gun Bore Inspection with GBIS
Zistos GBIS covers gun bores from 25mm caliber and up, with a Medium Bore system and a Large Bore system with ±0.001 in bore measurement.
Direct answer
Zistos GBIS is a gun bore inspection system for medium and large caliber weapons from 25mm and up. The Medium Bore system covers 25mm to 40mm+ and the Large Bore system covers 57mm to 155mm+, with ±0.001 in bore measurement and single operator use.
Two systems, one family
System | Bore range | Typical use
GBIS Medium Bore | 25mm to 40mm+ | Cannons and automatic weapons
GBIS Large Bore | 57mm to 155mm+ | Tank guns, artillery and mortar tubes
What the inspector sees
- Live video of the bore surface on a display
- Wear, pitting and obstructions along the tube
- Bore measurement to ±0.001 in on the Large Bore system
Built for armorers and ordnance teams
GBIS is run by a single operator. It is selected by the United States military and NATO allied military forces, and it is designed and assembled in the US to support NDAA 889 procurement requirements.
See the Gun Bore Inspection page, the Military Gun Bore Inspection Kit and the full Military page.
Questions
What calibers does GBIS cover?
Medium and large gun bores from 25mm caliber and up.
How many people does it take to run?
One operator.
Which system fits our weapons?
Tell us the calibers and weapon systems you maintain and we will match the GBIS configuration.