The Diamondback DB15 Carbon Pistol 5.56 NATO with a 7-inch barrel (brand part no. DB1913K001) is the most compact DB15 pistol in this group from Diamondback Firearms. It pairs a heavy-profile 4150 CrMoV barrel with a black nitride finish and a pistol-length gas system with a 6-inch M-LOK rail. The SB Tactical SBA3 brace adds a stable shooting surface, and a Magpul Gen M2 PMAG 30-round magazine is included. Overall length is only 22 3/4 inches.

Key Specifications

• Chambering is 5.56 NATO, the standard AR-15 cartridge with wide ammunition support.
• Barrel length is 7 inches, the shortest DB15 pistol barrel in this line.
• The barrel is a heavy-profile 4150 CrMoV with a black nitride finish and a 1:8 right-hand twist, which resists heat and wear.
• The gas system is pistol-length, matched to the short barrel for dependable cycling.
• The brace is an SB Tactical SBA3, which gives the shooter a stable surface to support the pistol.
• The handguard is a 6-inch M-LOK rail, with attachment slots for lights and accessories.
• The grip is a Magpul MOE, a comfortable and widely used pattern.
• The magazine is a Magpul Gen M2 PMAG, which holds 30 rounds.
• The muzzle device is an A2 flash hider on a 1/2×28 thread.
• Weight is 5.4 pounds, and overall length is 22 3/4 inches, which keeps the pistol easy to carry and store.

Frequently Asked Questions

How short is this DB15 pistol? It has a 7-inch barrel and measures 22 3/4 inches overall, which is more compact than the 10-inch DB15 pistols.

What gas system length does it use? The 7-inch barrel uses a pistol-length gas system.

Which magazine is included? It comes with a Magpul Gen M2 PMAG that holds 30 rounds.

Buy the Diamondback DB15 Carbon Pistol, 5.56 NATO, 7-Inch Barrel, SBA3 Brace

The 7-inch DB15 is built for tight spaces and quick handling, with a brace and PMAG already in place. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see more AR pistols too.