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![Side view of a modern black semi-automatic rifle isolated on a white background.](https://www.grannysgotguns.com/wp-content/uploads/2024/03/DB15.png)
DIAMONDBACK DB15 BLACK GOLD 5.56 NATO 16″ 30-RD RIFLE
UPC: 810035754096
Type: Rifle, Semi Automatic
Model Series: DB15
Caliber/Guage: 5.56 NATO
Capacity: 30+1
Barrel Length: 16in.
Minimum/Overall Length: 32.75 in.
DIAMONDBACK DB15 16″ FDE/BRN 30RD UPC:810035756
![](https://www.grannysgotguns.com/wp-content/uploads/2024/06/image-1-1024x1024.png)
- Type: Rifle: Semi Automatic
- Model Series: DB15
- Caliber/Gauge: 5.56 NATO
- Barrel Length: 16 in.
- Capacity: 30+1
- Minimum/Overall Length: 32.5 in.
![Black fn 15 guardian rifle capable of firing .223 rem and 5.56 nato rounds, viewed against a white background.](https://www.grannysgotguns.com/wp-content/uploads/2024/03/guardian.png)
FN36-100740-1
FN 15 GUARDIAN 5.56MM 16″ 10+1 223Rem | 5.56 NATO
Manufacturer: FN
MFG MDL#: 36-100740-1
UPC: 845737017439
![A sig sauer m400 tread 223 rem 5.56 nato rifle on a white background.](https://www.grannysgotguns.com/wp-content/uploads/2024/03/sigsauer-1.png)
SIRM40016BTRD
M400 TREAD 5.56MM 16″ BLK#
RM-400-16B-TRD
223 Rem | 5.56 NATO
Manufacturer: SIG SAUER
MFG MDL#: RM400-16B-TRD
UPC: 798681597765