Hornady BLACK Rifle Ammunition 5.56 NATO – 75 Grain, InterLock, 20 Rounds (81296)

• 5.56 NATO ammunition designed for short barrel rifle performance
• 75 grain InterLock bullet supports controlled expansion and penetration
• Velocity rated at 2321 feet per second from 11.5 inch barrel
• 20 rounds per box suitable for tactical or defensive use
• Designed for reduced flash and consistent performance in SBR platforms
• Engineered for reliable function in suppressed and unsuppressed firearms

The Hornady BLACK 556NATO 75 Grain InterLock HD SBR 20 Round Box is a rifle ammunition cartridge designed for short barrel rifle use.

This Hornady BLACK rifle ammunition is chambered in 5.56 NATO and features a 75 grain InterLock bullet. It has a listed muzzle velocity of 2,321 feet per second from an 11.5 inch test barrel and is packaged in a 20 round box. The InterLock bullet construction is designed for controlled expansion and structural integrity. This product is used for short barrel rifle configurations in both suppressed and unsuppressed setups. In typical setups, the Hornady BLACK 556NATO 75 Grain InterLock ammunition is part of the BLACK series and is categorized as centerfire rifle ammunition with defined grain weight, specialized loading, and consistent cartridge dimensions.