Garmin Xero C2 ChronographIn ballistics there is no room for error. The Xero C2 chronograph is the source you can trust. It builds on the success of its predecessor with a faster shot processor and improved features for an experience you wont find anywhere else. Versatile and Reliable Performance The chronograph will reliably pick up your shots, thanks to the accurate sensor. The device can measure speeds from 100 fps to 5,000 fps for bullets, arrows, slugs, airsoft BBs and