Magnetospeed V3 Chronograph

The MagnetoSpeed barrel-mounted, ballistic chronograph has brought modern convenience to the often tedious task of measuring bullet velocities. The MagnetoSpeeed chronographs use ground breaking electromagnetic sensors, instead of traditional and often problematic optical sensors.  This breakthrough eliminates common frustrations with chronographs. Magnetospeed chronographs are highly portable, easy to set up, extremely accurate, impervious to light conditions, do not blow over in high winds and the display and menu control can be set up within easy reach making it easy to read every shot and toggle through the menu as needed. The display unit stores up to 99 shots per string, calculates useful velocity statistics and saves the data in a spreadsheet format to a micro SD card.

* Shipment may arrive late in afternoon, plan accordingly. * Local pickup only - 966 S. Vista Ave. Boise ID 83705.
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The V3 Magnetospeed is an improved version of the original Magnetospeed sporter. New features include:

  • 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
  • Two data cords (static and retractable reel)


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  • Question:  Will the Magnetospeed affect my groups?
  • Answer: The magnetospeed may slightly affect point of impact, particularly when used with lightweight sporter barrels.  It does not dramatically affect grouping as long as the bayonet mount is kept consistently tight.  However, if you are in the latter stages of fine tuning a load at long range, the LabRadar may be a better choice since it does not contact the barrel and will not have any affect on point of impact or grouping.  If getting the most accurate velocity readings is your goal to ensure accurate ballistics for your hunting rifle, then the Magnetospeed is the easiest and most reliable tool to get extremely accurate results.
  • Question:  Can this be mounted with a muzzle brake or a supressor?
  • Answer: Yes, it works well with most brakes and suppressors.  We ask that you don’t use radial brakes with bottom ports in conjunction with ultra magnum cartridges with over 80 grains of powder capacity (7 RUM, 300 RUM, 30-378 WBY, 338 Lapua, 338 Norma, etc…  These overbor super magnums may damage the bayonet if they’re equipped with muzzle brakes with bottom facing ports.
  • Display Unit
  • Retractable connection cable
  • Standard 6ft connection cable
  • Stainless steel blast shield
  • Thick and thin rubber V-block spacers
  • microSD card with adapter
  • Bayonet sensor
  • Polymer spacer kit with screw hardware and allen wrench
  • Heavy duty strap with thumb nut tightener
  • Hard case with custom cut foam
  • Alignment rod
  • Instructions