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AAC 77gr: Precision Performance Metrics and Ballistic Analysis for 2026

"The term AAC 77gr refers specifically to the 5.56x45mm NATO cartridge loaded with a 77-grain projectile, manufactured by AAC (Advanced Armament Corp) under the PSA (Palmetto State Armament) product ecosystem. This analysis focuses on the technical specifications, terminal ballistics, and real-world application of this ammunition for professional and precision shooting in 2026. Engineering Specifications and Projectile Design The 77-grain OTM (Open Tip Match) projectile is widely considered the gold standard for long-range performance within the 5.56 NATO platform. Unlike traditional 55-grain or 62-grain variants, the 77gr projectile utilizes..."

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