The cartridge is composed of bullet, case, primer and propellant. Star-shaped five- pronged Starfire hollow point bullet demonstrates excellent expansion performance withstable penetration depth based on cavity designed with a unique and optimized shape.Excellent expansion and stable penetration depth proved through FBI protocol testsusing ballistic gelatin and barriers ensure the suitability of the cartridge for use by lawenforcement or self-defense. The propellant is using smokeless powder and the primeris made up for non-corrosive composition. Technical Specifications MPN: 9SFX Bullet Type: SFHP Weight: 124 grain Velocity (feet per second)   Muzzle: 1201 25 Yds: 1108 50 Yds: 1046 75 Yds: 998 100 Yds: 959 Energy (foot-pounds)   Muzzle: 397 Bullet Path (inches)   25 Yds: +0.84 50 Yds: 0 75 Yds:  -2.76 100 Yds: -7.80