The Gun Store | Waterbury CT

175502
Retay USA BACEBLK28 Ace Full Size 20 Gauge Semi-Auto 3″ 3+1 28″ Extra Black Vent Rib Barrel, Drilled & Tapped Steel Receiver, Adj Shim Black Synthetic Stock, Ambidextrous
October 13, 2025
175503
Retay USA BACEMX728 Ace Full Size 20 Gauge Semi-Auto 3″ 3+1 28″ Realtree Max-7 Vent Rib Barrel & Drilled & Tapped Steel Receiver, Adj Shim Realtree Max-7 Synthetic Stock, Ambidextrous
October 13, 2025

DIAMONDBACK DB15 COMBO RIFLE 556/300 B/O

$974.00

DIAMONDBACK DB15 COMBO RIFLE 556/300 B/O

5 in stock

SKU: ORI|64058 Category:

CALIBER: 5.56 NATO – BARREL: DIAMONDBACK BARRELS 5.56 CARBINE-LENGTH16 MEDIUM 4150 CrMov BLACK NITRIDE – TWIST: 1:8 RH – GAS SYSTEM: CARBINE-LENGTH GAS SYSTEM – BCG: SHOT-PEENED MAGNETIC PARTICLE INSPECTED MIL SPEC 8620 CARRIER – UPPER: A3 FLATTOP FORGED 7075 T-6 ALUMINUM T-MARKED – LOWER: DIAMONDBACK STANDARD FORGED 7075 T-6 ALUMINUM LOWER – HANDGUARD: 12 M-LOK RAIL – GRIP: MOE GRIP – STOCK: MOE CARBINE STOCK – MAG: GEN 2 PMAG 30RD – SIGHTS: NO SIGHTS – MUZZLE DEVICE: A2 FLASH HIDER (1/2 X 28) – TRIGGER: STANDARD TRIGGER – WEIGHT: 6.3 LBS – LENGTH: (STOCK COLLAPSED 32 1/2) (STOCK EXPANDED 35 3/4) – 16 300B/O UPPER (ASSEMBLED) – UPPER: A3 FLATTOP FORGED 7075 T-6 ALUMINUM T-MARKED – HANDGUARD: 12 M-LOK RAIL – GAS SYSTEM: CARBINE-LENGTH GAS SYSTEM – MUZZLE DEVICE: A2 FLASH HIDER (1/2 X 28) – Diamondback Barrels 16 4140 Chrome-Moly Free Float Black Nitride

UPC

810035755079

Manufacturer

Diamondback Firearms

Manufacturer Part Number

DB1721K001

Safety

Manual Thumb

Sights

Optic Ready

Rate of Twist

1:8"

Action

Semi-Auto

Barrel Length

16"

Caliber/Gauge

.300 AAC Blackout

Capacity

30 + 1

Model

DB15

Product Type

AR

Thread Pattern

1/2"-28 tpi

Units per Box

1

Barrel Finish

Black Nitride