Hornady BLACK ammunition features versatile loads optimized for excellent performance from America’s favourite guns. Loaded with legendary Hornady bullets, Hornady BLACK ammunition is designed to fit, feed and function in a variety of platforms. Direct impingement, gas piston, suppressed, unsuppressed, inertia, bolt, pump, supersonic, subsonic, rifle, mid-length, carbine or pistol – Hornady BLACK ammunition delivers superior performance for a variety of applications. Made in the USA.

5.56 Nato 75 grain  InterLock HD SBR Black is designed specifically for 10.5"-11.5" SBR’s by using proprietary propellant technology and a bullet designed with technology from industry leading Critical Duty FlexLock bullets. This round provides exceptional ammunition performance in SBR’s suppressed or unsuppressed, with virtually no flash or residue, dramatically reduced sound signature, will not foul or overheat suppressors, uniform velocity and accuracy, and provides controllable rate of fire in automatic platforms. Designed to meet the requirements of the FBI protocol, this round is the optimum choice for 10.5"-11.5" barrelled 5.56 rifles.

Ballistic information for this ammunition can be found here