5.56x45mm – 77 gr OTM – Black Hills (D556N9) – 50 Rounds

The 5.56×45mm 77 gr OTM Black Hills (D556N9) load delivers match-grade performance for shooters who demand precision and consistency. It uses an Open Tip Match (OTM) projectile engineered for uniform weight distribution and stable flight. Because of this, the load excels in precision rifle work, competition shooting, and advanced training where accuracy matters. Many shooters select 77-grain OTM loads to tighten groups and validate ballistic data at distance.

Black Hills loads the D556N9 to a muzzle velocity of 2,750 fps and a muzzle energy of 1,293 ft-lbs from standard test barrels. These ballistics provide strong velocity retention and predictable drop characteristics. As a result, shooters experience consistent trajectories and reduced vertical spread. In addition, the heavier 77-grain bullet offers improved wind performance compared to lighter projectiles. Consequently, this load supports confident shot placement in challenging conditions.

This product ships as 50 rounds in a single box, making it ideal for focused range sessions, zero confirmation, and competition prep. Therefore, buyers can dedicate each box to data collection, chrono work, or match stages without excess inventory. Black Hills manufactures this ammunition with reloadable brass cases and non-corrosive Boxer primers. This ensures reliable ignition, uniform pressures, and dependable feeding in rifles chambered for 5.56×45mm.

While optimized for precision and match use, the 5.56×45mm 77 gr OTM Black Hills (D556N9) also serves shooters who want repeatable recoil and consistent results during high-level training. Ultimately, it delivers trusted Black Hills quality, proven accuracy, and dependable ballistic performance in a compact, purpose-built package.