Hornady Black 5.56 NATO 75 Gr InterLock HD SBR

Hornady Black 5.56 NATO 75 gr InterLock HD SBR is engineered for optimal performance in 10.5" to 11.5" short-barreled rifles (SBRs). This specialized load incorporates Hornady's proprietary propellant technology and a flex-tip bullet design adapted from their industry-leading Critical Duty FlexLock projectiles. The result is a round that delivers superior accuracy, reduced muzzle flash, and minimal residue, making it an ideal choice for both suppressed and unsuppressed SBRs.

Designed to meet FBI protocol requirements, this ammunition offers uniform velocity, reduced recoil, and optimal function in automatic platforms, ensuring consistent performance under demanding conditions. Whether for duty use, training, or defensive applications, this load provides exceptional reliability and terminal ballistics in compact rifle platforms.

• Designed for 10.5”–11.5” SBRs with optimized velocity and accuracy

• Hornady Black 5.56 NATO 75 Gr InterLock HD SBR

• Reduced flash and fouling, ensuring cleaner operation in suppressed rifles

• Balanced propellant burn rate for consistent cycling and recoil control

• High-quality cases, primers, and propellant for dependable ignition

• Muzzle velocity: 2,321 fps; muzzle energy: 897 ft-lbs

• 20 rounds per box, 200 rounds per case

With a proven track record in both law enforcement and personal defense applications, Hornady Black 5.56 NATO 75 gr InterLock HD SBR is the ultimate choice for short-barreled rifles where performance, reliability, and consistency matter most. Order your new 5.56 NATO ammo online today!

Shop more 223 & 5.56 ammo here!

Looking for a new AR? Shop our huge selection of AR-15 rifles here!

Always check local laws before purchasing. Use proper ear and eye protection, follow all firearm safety guidelines, and store ammunition securely. Some states may restrict sales. You must be 21 years of age or older to purchase handgun ammunition. The manufacturer and retailer are not responsible for misuse.