New improved mk 4 with promised 1% accuracy chronoscope from Combro.
MK4 is a compact chronoscope specifically designed for .177 and .22 air pistol / air rifle.Use it as a tuning aid, consistency test, to get the most out of a cylinder of air / gas, to detect problems before they become serious ( e.g. leaking seals...etc. )
Also ensure the your airgun is within legal specifications.
These unit are ready to go and calibrated (they no longer need the 4 digit as previous model).
You can go further into calibration with entering the weight of the pellet you are using.
Easy to use
lightweigth
very accurate
Mounting the bracket to your rifle is simple, use a rubber band, rubber o'ring, electrical tape....just make sure its solidly fixed. (we don't include any of theses)
Online instructions availble here: http://www.chronoscopes.info/manual/index.html
Item Nr.: 101-547
