The Diamondback DB15 Sports South Exclusive (brand part no. DB195AK061) is a semi-automatic pistol that ships with two complete, swappable barrels: a 7-inch heavy chrome moly vanadium barrel in 5.56 NATO and a 10-inch barrel in .300 AAC Blackout, both threaded and fitted with A2 flash hiders. Diamondback Firearms finishes both barrels in black nitride, wraps them in an M-LOK handguard with a Picatinny rail, and equips the pistol with an SB Tactical brace and a Flat Dark Earth Magpul grip. Among AR-pattern pistols in the AR pistols category, this DB15 favors shooters who want one pistol that swaps between two calibers.

Key Specifications

• Chambered in 5.56 NATO or .300 AAC Blackout, swappable.
• Operates as a semi-automatic pistol.
• Includes a 7-inch heavy chrome moly vanadium barrel in 5.56.
• Includes a 10-inch barrel in .300 Blackout.
• Both barrels finished in black nitride with an A2 flash hider.
• Uses a 1-in-8-inch right-hand rate of twist.
• Feeds from a magazine with a 30+1-round capacity.
• Built with an M-LOK handguard and Picatinny rail.
• Equipped with an SB Tactical brace.
• Fitted with a Flat Dark Earth Magpul grip.

Frequently Asked Questions

Does this pistol include two barrels? Yes, a 7-inch 5.56 NATO barrel and a 10-inch .300 Blackout barrel both ship together.

Does this pistol include a brace? Yes, an SB Tactical brace ships installed.

Buy the Diamondback DB15 Dual-Caliber Pistol

One pistol that swaps between two calibers is exactly what this DB15 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.