The SOLGW L89 5.56mm 16" No BCG/CH Upper Receiver M4L89UPPER-16-556 is engineered for unmatched precision in shooting. Featuring a 16-inch barrel with a mid-length gas system, this upper ensures superior durability and accuracy. The innovative SOLGW Broadsword upper and lower receivers provide a robust and reliable platform. The upper includes a high-efficiency NOX muzzle device and operates on a mid-length gas system for smooth cycling. The 15-inch M89 free float M-LOK Drive Lock handguard allows for easy attachment of accessories, making this upper ideal for both tactical and competitive shooting. SOLGW L89 5.56mm 16" No BCG/CH Upper Receiver M4L89UPPER-16-556