Readers also should be aware the comparison on muzzle velocity may say less about the lethality of AR-15s than Biden implies. (About our rating scale) Send us facts to check by filling out this form.

Muzzle velocity is mentioned many times concerning rifles made prior to the 1938 publication date, and I am wondering what methods were used to measure muzzle velocity back then? A: ...

Like how to estimate the muzzle velocity of a BB gun using just a voice recorder, and a curtain! There are many different ways you could do this.

By making a few assumptions about drag force and doing a few calculations, [Luke] was able to calculate the approximate muzzle velocity of 63m/s, with the kinetic energy of about 0.22 Joules.

So let’s get right to it, the operable metric here being muzzle velocity: 2000 fps with a 103-gr., .30-cal. bullet. Or so said the engineer/would-be manufacturer behind the eye-opening 7.5 FK ...

The Royal Danish Army is now installing Weibel Scientific’s MVR-700 – a muzzle velocity radar (MVR) – on its recently acquired Elbit Systems/ESL Cardom 10 120 mm muzzle-loaded smoothbore ...