Diamondback Firearms
Shop Diamondback Firearms at Arms East. U.S. shipping and Canadian PAL export available.
Diamondback Firearms — Handguns (32)
- AR Pistols Add to cart
Diamondback DB10 8.6 Blackout semi-auto pistol delivers serious stopping power in a compact, modern platform with a 12″ barrel, SBA5 brace, and 11″ M-LOK rail.
$1,173.00In Stock 
DIAMONDBACK DB15 5.56 BLACK 10″ PISTOL W/ 9″ PC M-LOK RAIL, SBA3 BRACE 30RD
Diamondback FirearmsAdd to cartAR Pistols Add to cartDIAMONDBACK DB15 5.56 BLACK 10″ PISTOL W/ 9″ PC M-LOK RAIL, SBA3 BRACE 30RD
$711.00In StockDiamondback DB053CA001 Sidekick 22 LR/22 Mag 9 Shot, 5.50″ Black Cerakote Steel Barrel & Cylinder, Black Cerakote Zinc Alloy Frame, Black Checkered GFN Grip, Exposed Hammer, Hammer Safety
Diamondback FirearmsAdd to cartRevolvers Add to cartDiamondback Firearms’ Sidekick revolver chambers both .22LR and .22Mag with a swing-out cylinder design that enables quick caliber transitions and simultaneous ejection of all nine rounds. Versatile for self-defense, small game hunting, pest control, and affordable target practice with manageable recoil.
$297.00In Stock
Diamondback Firearms — Rifles (13)
Diamondback DB10 Carbon Series Rifle .308 Win 20rd Magazine 16″ Barrel 15″ M-LOK Rail Jesse James Civil Defense Blue
Diamondback FirearmsAdd to cartAR Rifles Add to cartDiamondback DB10 Carbon Series Rifle .308 Win 20rd Magazine 16″ Barrel 15″ M-LOK Rail Jesse James Civil Defense Blue
$992.00Low StockDiamondback DB1032C001 DB10 308 Win 18″ 20+1 Black Adjustable Magpul CTR Stock Black Magpul MOE K2 Grip with Black Gold Lower 15″ M-Lok
Diamondback FirearmsAdd to cartAR Rifles Add to cartDiamondback DB10 in .308 Win delivers precision rifle performance with a mid-length 416 stainless steel fluted barrel, Mil-Spec bolt carrier, and 7075-T6 aluminum receivers. Features Magpul CTR adjustable stock, MOE K2 grip, and 15″ M-Lok handguard for modern ergonomics and modularity.
$1,136.00Low StockDiamondback DB15 Rifle 5.56 NATO 30rd Mag 16″ 1/2×28 Threaded Barrel Black
Diamondback FirearmsAdd to cartAR Rifles Add to cartDiamondback DB15 Rifle 5.56 NATO 30rd Mag 16″ 1/2×28 Threaded Barrel Black
$548.00Low StockDiamondback DB15 Rifle 5.56 NATO 30rd Mag 16″ 1/2×28 Threaded Barrel Tiger Stripe
Diamondback FirearmsAdd to cartAR Rifles Add to cartDiamondback DB15 Rifle 5.56 NATO 30rd Mag 16″ 1/2×28 Threaded Barrel Tiger Stripe
$755.00In Stock- AR Rifles Add to cart
Diamondback DB15 .223 Wylde 18" Rifle
Original price was: $1,230.00.$1,125.00Current price is: $1,125.00. SALEIn Stock
Diamondback Firearms — Magazines (9)
- Handgun Magazines Add to cart
Diamondback 12-round 9mm magazine engineered for flush-fit control on the AM2 sub-compact platform. Factory OEM construction delivers reliable drop-free performance with enhanced concealability.
$22.00In Stock - Handgun Magazines Add to cart
Diamondback DB380 .380 ACP 6-round detachable magazine
$22.00Low Stock - Handgun Magazines Add to cart
Diamondback DB380 6-round magazine with finger rest extension for reliable feeding and comfortable handling of your .380 ACP pistol. Factory-made with steel construction and witness holes for secure, dependable performance.
$22.00Low Stock - Handgun Magazines Add to cart
Diamondback Pistol Magazine – Black | 9mm | 6 Rd
Original price was: $22.00.$19.00Current price is: $19.00. SALELow Stock - Handgun Magazines Add to cart
Diamondback DBAM29 9mm 12-round detachable magazine with flat base
$23.00Low Stock - Handgun Magazines Add to cart
Diamondback DBAM29 17-round 9mm magazine in Flat Dark Earth with finger extension base plate for reliable feeding and extended capacity. Factory OEM magazine compatible with Diamondback DBAM29 sub-compact pistols.
$24.00In Stock
Diamondback Firearms — AR Upper Parts (7)
- AR Barrels Add to cart
Diamondback 308R18M50B10R DB Barrel 308 Win 18″ Rifle-Length Black Nitride 4150 Chrome Moly Vanadium Steel
$135.00In Stock - AR Barrels Add to cart
Diamondback DB Barrel delivers enhanced corrosion resistance with its black nitride 4150 chrome moly construction and precision button rifling. Engineered for AR-15 compatibility with M4 feed ramps, this 16-inch 5.56 NATO barrel performs reliably in demanding conditions.
$102.00In Stock - AR Barrels Add to cart
Diamondback 556C16M50B8R DB Barrel 5.56x45mm NATO 16″ Carbine-Length Black Nitride 4150 Chrome Moly Vanadium Steel
$102.00In Stock - AR Barrels Add to cart
Diamondback DB Barrel delivers reliable 5.56 NATO performance in a lightweight 16-inch M4 contour with Chrome Moly Vanadium steel construction and Nitride finish for corrosion protection. The 1:8″ twist rate and M4 feed ramps ensure consistent cycling across a wide range of ammunition.
$102.00Low Stock
Diamondback Firearms — Ammunition (3)
Diamondback DB0700S701 SDR 357 Mag 6rd 2″ Polished Stainless Steel Target Crown Barrel, Polished Stainless Steel Cylinder, Stainless Steel Frame, Black Rubber Grip
Diamondback FirearmsAdd to cartAmmunition Add to cartDiamondback DB0700S701 SDR 357 Mag 6rd 2″ Polished Stainless Steel Target Crown Barrel, Polished Stainless Steel Cylinder, Stainless Steel Frame, Black Rubber Grip
$720.00In StockDiamondback DB1033M001 DB10 6.5 Creedmoor 20″ 5+1 Black Receiver & Stock/416-R Fluted SS Medium Barrel/Black Gold Lower/Adj Magpul CTR Stock/Magpul K2 Grip
Diamondback FirearmsAdd to cartAmmunition Add to cartDiamondback DB1033M001 DB10 6.5 Creedmoor 20″ 5+1 Black Receiver & Stock/416-R Fluted SS Medium Barrel/Black Gold Lower/Adj Magpul CTR Stock/Magpul K2 Grip
$1,293.00Low Stock
