The MagnetoSpeed V3 Chronograph Kit is primarily manufactured for use on barrels and suppressors from 1/2 to up to 2 inches in diameter. It has a larger diameter tolerance and is further complemented with an additional inch of clearance in the blast zone to cover for longer (up to 3 inches in many cases) muzzle brakes, flash hiders, etc. Features of the V3 Ballistic Chronograph in Hard Case comes comprise improved design, proven technology with upgraded sensor layout, three-button menu system, simplified access battery compartment that does not require screwdriver to change batteries, Rapid mode with ‘rate of fire’, refined shooting modes with the ability to now work with air guns, redesigned bayonet, two data connection points, downloadable firmware updates, cutting-edge data logging and troubleshooting capabilities, robust strapping system (with metal buckle and triad thumb nut) and display housing, brand new profile and color scheme, along with bracket to facilitate future alternative attachment options. In addition to that, the MagnetoSpeed MS-V3 is offered with a compact display unit, both retractable connection cable and standard 6ft connection cable, blast shield that is made of stainless steel, thick as well as thin rubber V-block spacers, microSD card with adapter, polymer spacer kit with screw hardware and allen wrench. Also in the offing is a heavy duty strap with thumb nut tightener, alignment rod, hard case with custom cut foam, etc.