Black Rain Ordnance Flat Dark Earth Builder's Kit for AR-15

For the discerning marksman seeking to craft a reliable AR-15, this comprehensive assembly kit offers an impeccable foundation. At its core, the upper receiver arrives fully assembled with a 16-inch chromoly barrel, chambered in the versatile 5.56 NATO caliber and equipped with an A2 flash hider for effective muzzle control.

The mid-length gas system ensures consistent cycling without adjustments needed, maintaining simplicity and reliability under various conditions. Enhancing versatility is a robust 12-inch MLOK rail that allows for seamless attachment of tactical accessories to suit your operational requirements.

This kit does not overlook ergonomics or handling; it includes a Spec15 charging handle alongside Magpul's MOE stock and grip—renowned for their comfort and adaptability during prolonged use.

The lower parts ensemble provides all necessary components save for the bolt carrier group and lower receiver. It contains essentials such as a buffer tube complete with castle nut and end plate, paired with a carbine buffer spring featuring a standard 3 oz carbine buffer. The firing assembly comes ready to install along with roll pins, springs, detents—a full array ensuring you won't be left searching for parts at critical moments.

Finer details include trigger guard installation hardware, bolt catch mechanisms, selector switches (for safe operation), magazine catch systems allowing efficient reloads under pressure, plus pivot and takedown pins designed for ease of maintenance during field stripping.

This meticulously curated kit empowers you to construct your ideal rifle configuration while upholding performance standards expected by serious enthusiasts worldwide—all that's required are your chosen lower receiver and bolt carrier group to bring this build to life.