Hornady 5.56 NATO 75gr InterLock HD SBR Black Rifle Ammunition

Hornady Black 5.56 NATO 75 gr InterLock HD SBR ammunition is engineered specifically for short-barreled rifles with 10.5-inch to 11.5-inch barrels. Utilizing proprietary propellant technology and bullet designs derived from Critical Duty FlexLock projectiles, this cartridge delivers uniform velocity, superior accuracy, and exceptional terminal performance.

Optimized for both suppressed and unsuppressed platforms, this round produces virtually no muzzle flash or residue, minimizes suppressor fouling and overheating, and significantly reduces the sound signature. It also maintains a controllable rate of fire in automatic configurations while meeting FBI protocol standards.

Whether cycled through direct impingement, gas piston, carbine, or mid-length systems, Hornady Black ammunition provides reliable cycling and high-grade consistency. Each round features high-quality cases and primers crafted for dependable ignition and maximum versatility across tactical and defensive applications.