The MagnetoSpeed V3 ballistic chronograph kit was designed to be used on barrels and suppressors from 1/2 inch all the way up to 2 inches in diameter. In addition to the larger diameter tolerance, the V3 also has one inch more clearance in the blast zone to account for longer (up to 3.5" in most cases) muzzle brakes, flash hiders, etc.
 
MagnetoSpeed V3 features an improved designed with the following features:
 
Improved Display
Three-button menu system
Battery options are; (1) 9-Volt or (2) CR123s
Easy access battery compartment, no need for screwdriver to swap batteries
Improved shooting modes, with the ability to now operate with air guns
Downloadable firmware updates
Advanced data logging and troubleshooting capabilities
More compact and rugged display housing
Rapid mode with rate-of-fire
Redesigned Bayonet
Rugged strapping system; with metal buckle and triad thumb nut
Proven technology with updated sensor design
New profile and color scheme
New bracket to allow for future alternative attachment options
Dual data connection points