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The Gun Store | Waterbury CT

HK81001050 1

HK MR556 A4 556NATO 11″ 30RD BLK

August 10, 2026
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Diamondback DB175AK003 DB15 5.56 NATO 30+1 Black Nitride Black Hardcoat Anodize Aluminum Receiver, 12″ M-LOK Handguard, Black A2 Grip

$492.54

Diamondback DB175AK003 DB15 5.56 NATO 30+1 Black Nitride Black Hardcoat Anodize Aluminum Receiver, 12″ M-LOK Handguard, Black A2 Grip

Out of stock

SKU: TSW|169447 Category:

The Diamondback DB15 features a medium tapered, threaded barrel with an A2 flash hider muzzle device; A3 flattop forged 7075 T-6 aluminum T-Marked upper and a DB15 carbon lower; 6-position Mil-Spec buttstock; A2 style polymer grip and 12″ M-LOK handguard. Includes 30rd Magpul Gen M2 PMAG.

UPC

810035754348

Manufacturer

Diamondback Firearms

Manufacturer Part Number

DB175AK003

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30 + 1

Rate of Twist

1:8" RH