Stand out with the Moriarti Micro ARP AR-15 5.56 NATO 5" Complete Upper Assembly, featuring an eye-catching Gold Spitfire QD Blast muzzle device and premium components engineered for ultra-compact AR pistol builds. Designed for shooters who demand reliability, lightweight performance, and distinctive styling, this ARP upper delivers exceptional performance in a compact package.
Built around a 5-inch 4150 Chrome Moly Vanadium barrel with a 1:5 twist, this Micro ARP upper is equipped with a micro gas system, 4-inch slim-profile free-float M-LOK handguard, and 1/2x28 threaded muzzle for compatibility with a variety of muzzle devices and suppressor mounting systems. The Gold Spitfire QD Blast enhances the appearance while directing muzzle blast forward for a more comfortable shooting experience. Compatible with mil-spec AR-15 lower receivers, this upper is ideal for building a mini ARP, upgrading an existing micro AR pistol, or creating a one-of-a-kind custom AR platform.
Bolt Carrier Group and Charging Handle are sold separately.Specifications
Can I install this 5-inch upper on any Mil-Spec AR-15 lower?
Yes. This 5.56 NATO complete upper assembly is designed to fit virtually any Mil-Spec AR-15 lower receivers. Before installation, verify that your lower receiver and all associated components are compatible with your intended build and comply with all applicable laws.
