The Timber Creek Outdoors TC556MED16 Med 16 Replacement Barrel delivers a 16" 5.56x45mm NATO rifle barrel with a mid-length gas system and M4 feed ramps, finished in durable Black Nitride for enhanced wear resistance and corrosion protection. This rifled 1:7" twist barrel is designed for AR-15 platform builds, providing reliable chambering and compatibility with a wide range of 5.56 NATO ammunition while delivering balanced timing for mid-length gas operation. The Med 16 model emphasizes a clean, consistent bore and chamber so shooters can expect stable muzzle velocity and repeatable accuracy from all-weather use, whether at the range or in field conditions. The Black Nitride finish not only smooths bore surfaces for easier cleaning but also improves longevity under repetitive cycling and higher round counts. Ideal for shooter builds seeking a dependable, mid-length solution with proven M4 feed ramp integration, this replacement barrel supports precision tuning and customization without compromising reliability. Timber Creek Outdoors brings a purpose-built component that complements AR-15 platforms, enabling enthusiasts to upgrade or assemble a rifle with a refined balance of performance, durability, and ease of maintenance.