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Diamondback

Diamondback is a family-owned American firearms manufacturer based on Florida’s Space Coast, known for precision engineering and in-house production standards. The brand offers a diverse lineup, including rifles built on proven AR platforms, versatile ar ak pistols, and innovative revolvers like the Sidekick, which features both.22LR and.22Mag cylinders for flexible use. Diamondback also supplies high-quality barrels for custom builds and upgrades. Featured products include popular calibers such as 5.56x45 and.223 / 5.56, with models designed for reliability and performance in both recreational and professional settings. Diamondback’s commitment to American manufacturing and quality control ensures every firearm meets rigorous standards. Browse Diamondback to shop performance-driven firearms and components for sale.

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Diamondback DB15 .223/5.56 NATO & .300 Blackout Combo 16" Barrel 30rd Semi-Auto Rifle W/ Extra Upper Rec, FDE W/ Black Magpul Furniture (DB1721K061)

Diamondback DB15 .223/5.56 NATO & .300 Blackout Combo 16" Barrel 30rd Semi-Auto Rifle W/ Extra Upper Rec, FDE W/ Black Magpul Furniture (DB1721K061)
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Diamondback DBX57MAGFN OEM Blued ProMag FN 20rd 5.7x28mm for Diamondback DBX

Diamondback DBX57MAGFN OEM Blued ProMag FN 20rd 5.7x28mm for Diamondback DBX

$26 51
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Diamondback Firearms DB15 Carbon DB1717K252 Rifle, 5.56 NATO, 16" Barrel, 30+1, Semi-Auto, Jesse James Blue, 15" M-LOK, Threaded Barrel.

Diamondback Firearms DB15 Carbon DB1717K252 Rifle, 5.56 NATO, 16" Barrel, 30+1, Semi-Auto, Jesse James Blue, 15" M-LOK, Threaded Barrel.

$635 69
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Diamondback DB15 Obsidian DB1984K061 Pistol, 5.56 NATO, 11.5" Barrel, 30+1, Semi-Auto, SBA5 Brace, FDE, M-LOK, Threaded Barrel.

Diamondback DB15 Obsidian DB1984K061 Pistol, 5.56 NATO, 11.5" Barrel, 30+1, Semi-Auto, SBA5 Brace, FDE, M-LOK, Threaded Barrel.

$1014 00
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Diamondback DBK1717K005 DB15 AR-15 Platform Rifle, 16" Barrel,1 in 8 Twist, 15" M-Lok Rail, 5.56 Nato, MOE Stock, Grip & 30rd Mag, Black

Diamondback DBK1717K005 DB15 AR-15 Platform Rifle, 16" Barrel,1 in 8 Twist, 15" M-Lok Rail, 5.56 Nato, MOE Stock, Grip & 30rd Mag, Black
$538 00
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Diamondback SDR .357 Magnum 2" Barrel 6rd Revolver - Stainless

Diamondback SDR .357 Magnum 2" Barrel 6rd Revolver - Stainless

$684 00
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Diamondback DBSK22LMB Sidekick Cowboy Revolver, 22LR / 22Mag Convertible, 4.75 Bbl, 9 Round. Swing Out Cylinders

Diamondback DBSK22LMB Sidekick Cowboy Revolver, 22LR / 22Mag Convertible, 4.75 Bbl, 9 Round. Swing Out Cylinders
$295 00
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Diamondback DB0600A001 Sidekick 22 LR/22 WMR 3" #9 Shot Black Cerakote Barrel, Cylinder & Frame, Black Birdshead Grip Revolver

Diamondback DB0600A001 Sidekick 22 LR/22 WMR 3" #9 Shot Black Cerakote Barrel, Cylinder & Frame, Black Birdshead Grip Revolver
$295 00
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Diamondback DB0300P031 DBAM29 Sub-Compact 3.50" 17+1,12+1 Black Stainless Steel with Black Accents Black Polymer Grip

Diamondback DB0300P031 DBAM29 Sub-Compact 3.50" 17+1,12+1 Black Stainless Steel with Black Accents Black Polymer Grip

$354 00
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Diamondback DB1018C071 DB10 16" 20+1 Midnight Bronze Magpul MOE Carbine Stock Black Magpul MOE-K Grip 15" M-Lok

Diamondback DB1018C071 DB10 16" 20+1 Midnight Bronze Magpul MOE Carbine Stock Black Magpul MOE-K Grip 15" M-Lok

$1022 00
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Diamondback DB105AC221 DB10 20+1 16" FDE Chromoly Barrel, Black Rec/M-Lok Handguard, FDE Magpul Carbine Stock/K2 Grip

Diamondback DB105AC221 DB10 20+1 16" FDE Chromoly Barrel, Black Rec/M-Lok Handguard, FDE Magpul Carbine Stock/K2 Grip
$1008 00
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Diamondback DB Barrel 223WM18M50B7R 18" .223 Wylde 4150 CMV Black Nitride AR-15 Barrel

Diamondback DB Barrel 223WM18M50B7R 18" .223 Wylde 4150 CMV Black Nitride AR-15 Barrel

$84 00
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Diamondback 223WR18H50B7 223 Wylde 18" Black QPQ Stainless Steel Barrel

Diamondback 223WR18H50B7 223 Wylde 18" Black QPQ Stainless Steel Barrel

$79 99 $91.00
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Diamondback DB1912O001 DB15 28+1 7", Black, Carbon Lower, 6" M-LOK Handguard, Padded Buffer Tube, Magpul Grip

Diamondback DB1912O001 DB15 28+1 7", Black, Carbon Lower, 6" M-LOK Handguard, Padded Buffer Tube, Magpul Grip

$665 00
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Diamondback DB053CA001 22/22M SDKCK 5.5 9rd DA/SA Black Revolver

Diamondback DB053CA001 22/22M SDKCK 5.5 9rd DA/SA Black Revolver

$295 00
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Diamondback DB175AK003 DB15 ML 16 30rd Black

Diamondback DB175AK003 DB15 ML 16 30rd Black

$511 00
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Diamondback DB1913K001 DB15 AR Pistol Carbine Length 7" 30+1 Black SBA3 Pistol Brace Stock

Diamondback DB1913K001 DB15 AR Pistol Carbine Length 7" 30+1 Black SBA3 Pistol Brace Stock

$732 00
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Diamondback Firearms DB15 Obsidian Pistol DB1984B001 Pistol 300 AAC Blackout 10.5" 30+1 Semi-Auto SBA5 Brace M-LOK

Diamondback Firearms DB15 Obsidian Pistol DB1984B001 Pistol 300 AAC Blackout 10.5" 30+1 Semi-Auto SBA5 Brace M-LOK

$907 78
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Diamondback Firearms Carbon DB15 Rifle, Model DB1717K132, Rifle, 5.56 NATO, 16" Barrel, 30+1, Semi-Auto, Brown Cerakote, M-LOK Rail.

Diamondback Firearms Carbon DB15 Rifle, Model DB1717K132, Rifle, 5.56 NATO, 16" Barrel, 30+1, Semi-Auto, Brown Cerakote, M-LOK Rail.

$658 78
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Diamondback DB Barrel 65CR20M416SS8FR 20" 6.5 Creedmoor 416 Stainless Fluted Rifle-Length Medium Profile AR-15

Diamondback DB Barrel 65CR20M416SS8FR 20" 6.5 Creedmoor 416 Stainless Fluted Rifle-Length Medium Profile AR-15

$150 00
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Diamondback DB9 Gen4 Jesse James Civil Defense Blue Pistol DB0200P251 9mm Luger 3.1" Barrel 6+1 Striker DAO, Glock-Style Sights, Polymer Frame

Diamondback DB9 Gen4 Jesse James Civil Defense Blue Pistol DB0200P251 9mm Luger 3.1" Barrel 6+1 Striker DAO, Glock-Style Sights, Polymer Frame

$291 00
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Diamondback DB Barrel 65CR24M50B8 24" 6.5 Creedmoor 4150 CMV Black Nitride Rifle-Length AR-15 Compatible.

Diamondback DB Barrel 65CR24M50B8 24" 6.5 Creedmoor 4150 CMV Black Nitride Rifle-Length AR-15 Compatible.

$157 00
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Diamondback Firearms DB Barrel 556M16M50B8R 16" 5.56x45mm NATO 4150 CMV Black Nitride AR-15 Platform

Diamondback Firearms DB Barrel 556M16M50B8R 16" 5.56x45mm NATO 4150 CMV Black Nitride AR-15 Platform

$86 00
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Diamondback DB Barrel 556C16MF50B8R 16" 5.56x45mm NATO 4150 Chrome Moly Vanadium Black Nitride AR-15

Diamondback DB Barrel 556C16MF50B8R 16" 5.56x45mm NATO 4150 Chrome Moly Vanadium Black Nitride AR-15

$86 00
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