Researchers at the National Institute of Standards and Technology (NIST) are measuring precisely the disintegration of "frangible" bullets when they strike a surface to better understand how the ...

The Radically Invasive Projectile, or RIP bullet, uses machined copper-tipped bullets to make multiple penetrations into a target, including the main body of the bullet, creating up to nine different ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The U.S. Army has ordered ...

Strain waves traveling at 5,000 meters per second in the NIST Kolsky bar apparatus compress a test slice from a frangible bullet to measure the precise amount of stress needed to break it apart.