Diamondback Firearms for Sale — DB15 AR-15, Revolvers & Pistols

Diamondback Firearms

Diamondback Firearms manufactures a comprehensive lineup of American-made AR-15 rifles, semi-automatic pistols, and revolvers at their Florida facility — with 251 products spanning the DB15 AR-15 in 5.56 NATO and .300 Blackout, limited-edition Cerakote configurations, the DB9 compact pistol, and the SDR revolver series. Diamondback’s direct-to-consumer manufacturing model enables competitive pricing on American-made firearms across a range of categories that few manufacturers cover as broadly.

Read our full Diamondback Firearms Buying Guide ↓

DB15: The American-Made AR-15

The Diamondback DB15 is the core of the lineup — a mil-spec AR-15 in 5.56 NATO and .300 Blackout with M-LOK handguards, adjustable stock, and a range of Cerakote finish options that make the DB15 one of the most visually diverse factory AR-15 lines available. Diamondback’s limited-edition configurations — Desert Storm Camo, NATO camo patterns, and custom Cerakote schemes — appeal to buyers who want a distinctive AR without the cost of aftermarket finishing. The DB15’s mil-spec components ensure compatibility with the full AR-15 aftermarket for buyers who want to customize further. Browse our AR-15 rifles page for all configurations.

.300 Blackout Configuration: The Suppressor-Ready DB15

Diamondback’s DB15 in .300 Blackout is available in pistol format — a 10” barrel, pistol-classified configuration that pairs naturally with a suppressor for hearing-safe home defense or range use. The .300 Blackout cartridge was designed specifically for suppressed use with subsonic ammunition, and Diamondback’s 10” pistol format achieves the most compact possible suppressed package. Since January 1, 2026, the NFA $200 tax stamp has been eliminated, making suppressor ownership straightforward. See our suppressors page and .300 Blackout ammo page.

SDR Revolver: Diamondback’s Wheelgun

The Diamondback SDR (Snub-nose Defense Revolver) is a .357 Magnum/.38 Special 6-shot double-action revolver — a 2” barrel stainless steel compact designed for concealed carry. For buyers who want a compact revolver from an American manufacturer at a competitive price, the SDR offers a .357 Magnum capability in a snubnose package. The SDR’s stainless construction provides corrosion resistance for carry use. Compare with our revolvers page and snub-nose revolvers page for the full compact revolver market.

Diamondback vs. Anderson and PSA: The Value AR Comparison

Diamondback competes with Anderson Manufacturing and Palmetto State Armory in the American-made value AR segment. All three produce mil-spec AR-15s at accessible prices from US facilities. Diamondback differentiates with limited-edition Cerakote configurations and the broader product lineup that includes pistols and revolvers. Anderson differentiates with stripped lower receiver production depth. For buyers who want the most distinctive-looking American-made AR at value pricing: Diamondback. For maximum configuration flexibility in bare-bones builds: Anderson.