Diamondback DB15 Rifle 5.56 NATO 30rd Mag 16" 1/2x28 Threaded Barrel FDEDiamondback$680.63
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Diamondback
The Diamondback DB15 in 7.62x39mm is a modern, no-nonsense AR-platform rifle built for shooters who want reliable performance without the premium price tag. This is a serious choice if you're running Russian-caliber ammunition through a platform you can actually modify and maintain. The 16-inch barrel pairs a short profile with a 1/2x28 threaded muzzle, giving you room to run a suppressor, muzzle brake, or flash hider to match your mission. At 6.7 pounds when empty, it balances maneuverability with the heft you need for solid shooting control.
The forged aluminum upper and lower receivers follow mil-spec geometry, so parts compatibility is straightforward if you ever want to upgrade or swap components. The carbine-length gas system is the sweet spot for this barrel length—responsive enough for rapid fire without excessive bolt speed. You get a shot-peened, magnetic particle-inspected bolt carrier that'll handle thousands of rounds, and a standard mil-spec trigger that breaks clean and predictable. The 15-inch M-LOK handguard gives you plenty of mounting surface for lights, grips, or other gear, and the anti-slip texture keeps your grip positive whether you're running suppressed or shooting in less-than-ideal conditions.
Hardware includes a Magpul MOE grip and stock for ergonomics you won't second-guess, plus the rifle ships with a 30-round Magpul Gen M2 PMAG. The A3 flattop upper means you'll need to add optics of your own, but that lets you build exactly what you want. If 7.62x39 is your go-to round—whether for hunting, range days, or just keeping ammo costs reasonable—this DB15 gives you a fighting rifle that works hard and stays out of your way.
| Caliber | 7.62x39mm |
| Barrel Length | 16 inches |
| Barrel Material/Finish | 4150 CrMov steel, black nitride |
| Muzzle Threading | 1/2x28 |
| Gas System | Carbine length |
| Bolt Carrier Group | Mil-spec 8620 steel, shot-peened, magnetic particle inspected |
| Upper Receiver | A3 flattop, forged 7075 T-6 aluminum |
| Lower Receiver | Forged 7075 T-6 aluminum (DB15 Carbon) |
| Handguard | 15-inch M-LOK with anti-slip texture pads |
| Grip | Magpul MOE |
| Stock | Magpul MOE-PR |
| Trigger | Standard mil-spec |
| Muzzle Device | A2 flash hider |
| Included Magazine | One Magpul Gen M2 PMAG, 30-round capacity |
| Sights | None (flat-top receiver, optic-ready) |
| Overall Length (Collapsed) | 32.75 inches |
| Weight (Empty) | 6.7 pounds |
| Finish | Black anodize |
The A3 flattop receiver has mil-spec picatinny rails, so any standard AR-15 optic mount will fit—ACOG clamps, Vortex rings, Larue mounts, or any 1913 picatinny accessory.
Yes. The 1/2x28 threaded barrel accepts standard 7.62x39mm suppressors and muzzle devices. You may need to manage piston dwell and gas settings depending on which suppressor you run, but the carbine-length gas system is built for this caliber.
7.62x39mm is commonly used for hunting medium-sized game, and the DB15's 16-inch barrel delivers the power suited to the cartridge. Exact suitability depends on your local game and hunting regulations, which vary by location.
The DB15 ships with one Magpul Gen M2 PMAG (30-round capacity) and the A2 flash hider installed. You'll need to add an optic, batteries, and ammunition separately.
Diamondback
The Diamondback DB15 in 7.62x39mm is a modern, no-nonsense AR-platform rifle built for shooters who want reliable performance without the premium price tag. This is a serious choice if you're running Russian-caliber ammunition through a platform you can actually modify and maintain. The 16-inch barrel pairs a short profile with a 1/2x28 threaded muzzle, giving you room to run a suppressor, muzzle brake, or flash hider to match your mission. At 6.7 pounds when empty, it balances maneuverability with the heft you need for solid shooting control.
The forged aluminum upper and lower receivers follow mil-spec geometry, so parts compatibility is straightforward if you ever want to upgrade or swap components. The carbine-length gas system is the sweet spot for this barrel length—responsive enough for rapid fire without excessive bolt speed. You get a shot-peened, magnetic particle-inspected bolt carrier that'll handle thousands of rounds, and a standard mil-spec trigger that breaks clean and predictable. The 15-inch M-LOK handguard gives you plenty of mounting surface for lights, grips, or other gear, and the anti-slip texture keeps your grip positive whether you're running suppressed or shooting in less-than-ideal conditions.
Hardware includes a Magpul MOE grip and stock for ergonomics you won't second-guess, plus the rifle ships with a 30-round Magpul Gen M2 PMAG. The A3 flattop upper means you'll need to add optics of your own, but that lets you build exactly what you want. If 7.62x39 is your go-to round—whether for hunting, range days, or just keeping ammo costs reasonable—this DB15 gives you a fighting rifle that works hard and stays out of your way.
| Caliber | 7.62x39mm |
| Barrel Length | 16 inches |
| Barrel Material/Finish | 4150 CrMov steel, black nitride |
| Muzzle Threading | 1/2x28 |
| Gas System | Carbine length |
| Bolt Carrier Group | Mil-spec 8620 steel, shot-peened, magnetic particle inspected |
| Upper Receiver | A3 flattop, forged 7075 T-6 aluminum |
| Lower Receiver | Forged 7075 T-6 aluminum (DB15 Carbon) |
| Handguard | 15-inch M-LOK with anti-slip texture pads |
| Grip | Magpul MOE |
| Stock | Magpul MOE-PR |
| Trigger | Standard mil-spec |
| Muzzle Device | A2 flash hider |
| Included Magazine | One Magpul Gen M2 PMAG, 30-round capacity |
| Sights | None (flat-top receiver, optic-ready) |
| Overall Length (Collapsed) | 32.75 inches |
| Weight (Empty) | 6.7 pounds |
| Finish | Black anodize |
The A3 flattop receiver has mil-spec picatinny rails, so any standard AR-15 optic mount will fit—ACOG clamps, Vortex rings, Larue mounts, or any 1913 picatinny accessory.
Yes. The 1/2x28 threaded barrel accepts standard 7.62x39mm suppressors and muzzle devices. You may need to manage piston dwell and gas settings depending on which suppressor you run, but the carbine-length gas system is built for this caliber.
7.62x39mm is commonly used for hunting medium-sized game, and the DB15's 16-inch barrel delivers the power suited to the cartridge. Exact suitability depends on your local game and hunting regulations, which vary by location.
The DB15 ships with one Magpul Gen M2 PMAG (30-round capacity) and the A2 flash hider installed. You'll need to add an optic, batteries, and ammunition separately.
