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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 DB175AK063 Rifle 5.56 NATO 16" 30+1 Semi-Auto Multicam Receiver B5 Bravo Stock

Diamondback DB15 DB175AK063 Rifle 5.56 NATO 16" 30+1 Semi-Auto Multicam Receiver B5 Bravo Stock

$705 79
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Diamondback SDR DB075AS703 Revolver 357 Magnum 3" 6-Round DA/SA Polished Stainless Fiber Optic Sights

Diamondback SDR DB075AS703 Revolver 357 Magnum 3" 6-Round DA/SA Polished Stainless Fiber Optic Sights
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Diamondback DB1721K001 DB15 Combo 5.56 NATO With Bonus 300 Blackout Complete Upper, 16" Barrel, 30+1, M-Lok Rails, Black, Magpul Stock & Grip

Diamondback DB1721K001 DB15 Combo 5.56 NATO With Bonus 300 Blackout Complete Upper, 16" Barrel, 30+1, M-Lok Rails, Black, Magpul Stock & Grip

$974 00
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Diamondback DB380MAG OEM Blued Detachable with Flat Base 6rd 380 ACP for Diamondback DB380

Diamondback DB380MAG OEM Blued Detachable with Flat Base 6rd 380 ACP for Diamondback DB380

$20 48
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Diamondback DB1916K101 Pist ODG 10" SBA3

Diamondback DB1916K101 Pist ODG 10" SBA3

$773 00
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Diamondback DB15 Carbon DB1916K061 Pistol 5.56 NATO 10" 30+1 Semi-Auto FDE Cerakote 9" M-LOK Rail, Threaded Barrel.

Diamondback DB15 Carbon DB1916K061 Pistol 5.56 NATO 10" 30+1 Semi-Auto FDE Cerakote 9" M-LOK Rail, Threaded Barrel.

$773 00
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Diamondback DB Barrel 556C10M50B8R 10" 5.56x45mm NATO 4150 CMV Black Nitride AR-15 Carbine-Length

Diamondback DB Barrel 556C10M50B8R 10" 5.56x45mm NATO 4150 CMV Black Nitride AR-15 Carbine-Length

$93 98
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Diamondback DB0200P021 DB9 G4 3.10" 6+1 Black Stainless Steel Slide Black Polymer Grip

Diamondback DB0200P021 DB9 G4 3.10" 6+1 Black Stainless Steel Slide Black Polymer Grip

$296 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 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

$914 67
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Diamondback DB10 Carbon Pistol .308 Win 13.5" Barrel 20Rd SBA3 Midnight Bronze

Diamondback DB10 Carbon Pistol .308 Win 13.5" Barrel 20Rd SBA3 Midnight Bronze

$966 67
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Diamondback DB1791K001 DB15 *CA Compliant 16" 10+1 Black Adjustable Magpul CTR Stock Black Magpul MOE K2 Grip with Black Gold Lower

Diamondback DB1791K001 DB15 *CA Compliant 16" 10+1 Black Adjustable Magpul CTR Stock Black Magpul MOE K2 Grip with Black Gold Lower

$905 00
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Diamondback DB1418P071 DB15 32+1 16", Midnight Bronze Rec/M-Lok Handgaurd, Carbon Lower, Black Magpul CTR Stock/K2 Grip, Flash Hider

Diamondback DB1418P071 DB15 32+1 16", Midnight Bronze Rec/M-Lok Handgaurd, Carbon Lower, Black Magpul CTR Stock/K2 Grip, Flash Hider

$840 00
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Diamondback DB Barrel 556C16H50B8NYR 16" 5.56x45mm NATO Chrome Moly Vanadium Black Nitride AR-15 Compatible

Diamondback DB Barrel 556C16H50B8NYR 16" 5.56x45mm NATO Chrome Moly Vanadium Black Nitride AR-15 Compatible

$98 80
In Stock
Diamondback DB Barrel 556C16M50B8R 16" 5.56x45mm NATO Black Nitride 4150 CMV Steel AR-15 Carbine-Length

Diamondback DB Barrel 556C16M50B8R 16" 5.56x45mm NATO Black Nitride 4150 CMV Steel AR-15 Carbine-Length
$98 80
In Stock
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

$98 80
In Stock
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

$96 82
In Stock
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

$173 49
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Diamondback DB175AK621 556 DB15 30rd M-LOK Camo

Diamondback DB175AK621 556 DB15 30rd M-LOK Camo

$905 23
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Diamondback DB1784K001 556 DB15 30rd M-LOK Black

Diamondback DB1784K001 556 DB15 30rd M-LOK Black

$967 00
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Diamondback DB1784K101 556 DB15 30rd M-LOK ODG

Diamondback DB1784K101 556 DB15 30rd M-LOK ODG

$1014 00
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Diamondback DB Barrel 65M18M50B8R 18" 6.5 Grendel Black Nitride 4150 CMV AR-15

Diamondback DB Barrel 65M18M50B8R 18" 6.5 Grendel Black Nitride 4150 CMV AR-15
$130 12
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Diamondback DB1915B001 DB15 28+1 10", Black, Carbon Lower, 9" M-LOK Handguard, Padded Buffer Tube, Magpul Grip

Diamondback DB1915B001 DB15 28+1 10", Black, Carbon Lower, 9" M-LOK Handguard, Padded Buffer Tube, Magpul Grip

$605 56
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Diamondback 300P10H50B8R .300 Blackout 10" Pistol-Length Barrel Heavy Nitride

Diamondback 300P10H50B8R .300 Blackout 10" Pistol-Length Barrel Heavy Nitride
$90 92
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