The Diamondback DB15 Obsidian Series pistol in 5.56 NATO (brand part no. DB1984K061) is an 11.5-inch barrel pistol finished in FDE Cerakote. Diamondback Firearms equips the Obsidian with an 11-inch M-LOK anti-rotation V4 S-Rail that includes full Picatinny and QD mounts, a Breek Arms Warhammer MOD 2 ambidextrous charging handle and a Battle Arms ambidextrous safety. An SB Tactical SBA5 brace in FDE, a Magpul MOE K2 grip and a 30-round Magpul Gen M3 PMAG finish the build. It is a premium-feeling pistol for shooters who want upgraded controls.

Key Specifications

• The chambering is 5.56 NATO, a versatile cartridge for the range and defense.
• Barrel length is 11.5 inches, a 1:8 right-hand twist medium 4150 CrMoV barrel with a black nitride finish.
• The handguard is an 11-inch M-LOK anti-rotation V4 S-Rail with full Picatinny and QD mounts.
• The brace is the SB Tactical SBA5 in FDE, which supports a stable rear contact point.
• The muzzle device is a DB Obsidian muzzle brake on a 1/2×28 thread.
• The charging handle is a Breek Arms Warhammer MOD 2 ambidextrous model for either hand.
• The safety is a Battle Arms ambidextrous selector, which works from either side.
• The magazine is a Magpul Gen M3 PMAG holding 30 rounds in Medium Coyote Tan.
• The grip is a Magpul MOE K2 in FDE for improved control.
• The finish is FDE Cerakote over forged 7075-T6 aluminum receivers, and the pistol weighs 6.25 pounds.

Frequently Asked Questions

What makes the Obsidian Series different? Diamondback fits the Obsidian with upgrades such as the Breek Arms Warhammer charging handle, a Battle Arms safety and bolt catch, and a Battle Arms ambidextrous magazine catch.

What brace does it use? It uses the SB Tactical SBA5 brace in FDE.

How long is it? Diamondback lists the pistol at 28.25 inches with the brace collapsed and 31 inches extended.

Buy the Diamondback DB15 Obsidian Pistol, 5.56 NATO, 11.5-Inch Barrel, FDE Cerakote, SBA5 Brace, 30-Round

The Obsidian Series adds upgraded controls and a long rail to the 11.5-inch DB15 pistol. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and explore our other AR pistols.