Description
The AR57 ULT Upper Assembly features a lightweight design perfect for tactical applications. Chambered in the innovative 5.7x28mm cartridge, this upper assembly is equipped with a 12″ barrel that boasts a 1:9 twist rate for enhanced accuracy. Crafted from durable 1 7075 T6 monobloc aluminum and complemented by a robust 8620 steel alloy bolt carrier, it ensures reliability and performance in the field. The black Melonite finish not only provides a sleek look but also enhances corrosion resistance, making it ideal for any outdoor adventure. Upgrade your AR-15 platform with the AR57 ULT Upper Assembly and experience the precision of 5.7x28mm ammunition.
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