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Muzzle Energy Calculator

Muzzle Energy Calculator

Two measurements are required, the grain weight of the pellet you're using and the velocity from your Chronograph in feet per second (FPS)

Enter Pellet Weight (Gr):  Enter Velocity (fps):  

Power Output - ft/lbsEnergy Expressed in Joules

The UK legal limit for Rifles is 12 ft/lbs and for Pistols is 6 ft/lbs.

Need to work out the power of your rifle? Download our Snappy Chronograph V 1.0

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