The Black Rain Ordnance Spec+ Black Skulls Crypt (Black Rain Ordnance part no. BRO-CRYPT-BLK) is a 5.56 NATO AR-15 built from Black Rain’s Spec+ Series, which offers more than 100 build configurations and two dozen finish options. Black Rain Ordnance machines the Spec15 forged aluminum receiver set and pairs a 16-inch 4150V chromoly barrel with a direct impingement gas system and a low-profile, non-adjustable gas block. A salt-bath nitride-coated bolt carrier group and a forged charging handle add durability, while Magpul MOE furniture rounds out the ergonomics. This rifle is a strong pick for shooters who want a distinctive build without breaking the bank.

Key Specifications

• Chambered in 5.56 NATO/.223 Remington.
• Barrel length is 16 inches, in 4150V chromoly steel.
• The receiver set is a Spec15 forged aluminum design.
• The bolt carrier group has a salt-bath nitride finish.
• The gas system is direct impingement with a low-profile, non-adjustable gas block.
• The handguard is a 12-inch M-Lok slim design.
• The furniture includes a Magpul MOE grip and stock.

Frequently Asked Questions

What makes the Spec+ Series different? Black Rain Ordnance offers over 100 build configurations and two dozen finish options across the line.

What is the receiver material? Spec15 forged aluminum.

What furniture does this rifle use? Magpul MOE grip and stock.

Buy the Black Rain Ordnance Spec+ Black Skulls Crypt Rifle, 5.56 NATO, 16-inch

This Black Skulls Crypt build stands out in our AR rifles lineup. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.