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Diamondback 5.56 Rifles for Sale

Updated Oct 28, 2026 · 210 products · 97 in stock · prices refreshed daily

Diamondback DB15 5.56 NATO 16" 30Rd Black Semi-Auto Rifle AR-15

(2)

Diamondback DB15 5.56 NATO 16" 30Rd Black Semi-Auto Rifle AR-15

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

24

DIAMONDBACK DB15

(20)

DIAMONDBACK DB15

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Flat Dark Earth

23

Diamondback DIAMOND Flat Dark Earth 5.56NATO 16" Barrel 30-Rounds

(0)

Diamondback DIAMOND Flat Dark Earth 5.56NATO 16" Barrel 30-Rounds

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Flat Dark Earth

From: $1,054.72

22

Diamondback Db15, Dia Db1912k061 5.56 7in Crbn Pstl 30r Fde

(0)

Diamondback Db15, Dia Db1912k061 5.56 7in Crbn Pstl 30r Fde

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

7"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Flat Dark Earth

20

Diamondback DB15 Midnight Bronze AR 15 5.56 NATO / .223 Rem 16" Barrel 30-Rounds

(1)

Diamondback DB15 Midnight Bronze AR 15 5.56 NATO / .223 Rem 16" Barrel 30-Rounds

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Midnight Bronze

From: $1,039.20

21

Diamondback DB15 AR Pistol Carbine Length

(0)

Diamondback DB15 AR Pistol Carbine Length

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

7"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

21

Diamondback DB15 AR Pistol Carbine Length

(1)

Diamondback DB15 AR Pistol Carbine Length

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

10"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

21

Diamondback DB15 5.56x45 NATO AR-15 Semi Automatic Rifle

(0)

Diamondback DB15 5.56x45 NATO AR-15 Semi Automatic Rifle

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

23

DBF OBSIDIAN DB15 5.56 16 BLK 15 M-LOK BLK

(0)

DBF OBSIDIAN DB15 5.56 16 BLK 15 M-LOK BLK

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

21

Diamondback Db15, Dia Db1784k101 556 Db15 16 30r Mlok Odg

(0)

Diamondback Db15, Dia Db1784k101 556 Db15 16 30r Mlok Odg

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

OD Green

19

Diamondback Db15, Dia Db1784k061 556 16" 30rs Mlok Fde

(0)

Diamondback Db15, Dia Db1784k061 556 16" 30rs Mlok Fde

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Flat Dark Earth

20

DIAMONDBACK DB15 AR Pistol Carbine Length

(2)

DIAMONDBACK DB15 AR Pistol Carbine Length

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

10"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Flat Dark Earth

20

Diamondback DB15 AR 15 5.56/.223 Rem 16" Barrel 30-Rounds Optic Ready

(0)

Diamondback DB15 AR 15 5.56/.223 Rem 16" Barrel 30-Rounds Optic Ready

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

22

DIAMONDBACK DB15

(20)

DIAMONDBACK DB15

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Midnight Bronze

22

DB-15 PIST 5.56MM ODG 10

(0)

DB-15 PIST 5.56MM ODG 10" SBA3

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

10"

Caliber:

.223 Rem/5.56×45mm NATO

Capacity:

30

Finish Per Color:

OD Green

19

Diamondback KAC DB15 Rifle 5.56 Nato 16 in. KAC Blank CHF Barrel 30 rd.

(0)

Diamondback KAC DB15 Rifle 5.56 Nato 16 in. KAC Blank CHF Barrel 30 rd.

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

15"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

From: $1,070.45

19

Diamondback Diamondback Db15 Carbon Series Pistol, 5.56 Nato, 7" Barrel, 6" M-Lok Rail, Sba3 Brace, Black, 30-Rd DB1913K001

(0)

Diamondback Diamondback Db15 Carbon Series Pistol, 5.56 Nato, 7" Barrel, 6" M-Lok Rail, Sba3 Brace, Black, 30-Rd DB1913K001

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

7"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

18

Diamondback Diamondback Db15 Carbon Series Pistol, 5.56 Nato, 10" Barrel, 9" M-Lok Rail, Sba3 Brace, Black, 30-Rd DB1916K001

(0)

Diamondback Diamondback Db15 Carbon Series Pistol, 5.56 Nato, 10" Barrel, 9" M-Lok Rail, Sba3 Brace, Black, 30-Rd DB1916K001

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

10"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

19

Diamondback Dia Db1718k001 5.56 Db15 Ml 16 30r Blk

(0)

Diamondback Dia Db1718k001 5.56 Db15 Ml 16 30r Blk

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Black

19

Diamondback DB15 Pistol Midnight Bronze 5.56 NATO 10" Barrel 30-Rounds

(0)

Diamondback DB15 Pistol Midnight Bronze 5.56 NATO 10" Barrel 30-Rounds

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

10"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Midnight Bronze

19

Diamondback Db15 Dia Db175ak271 5.56 A2 16 30r Moe Blk/prpl

(0)

Diamondback Db15 Dia Db175ak271 5.56 A2 16 30r Moe Blk/prpl

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

16"

Caliber:

.223 Rem/5.56×45mm NATO

Capacity:

30

Finish Per Color:

Purple

17

Diamondback DB15 30rd 5.56 Pistol - DB15PCML7MB

(0)

Diamondback DB15 30rd 5.56 Pistol - DB15PCML7MB

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

7"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Midnight Bronze

From: $1,019.70

18

DB-15 PIST 5.56MM ODG 7

(0)

DB-15 PIST 5.56MM ODG 7" SBA3

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

7"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

OD Green

19

DB-15 PIST 5.56MM FDE 7

(0)

DB-15 PIST 5.56MM FDE 7" SBA3

Brand:

Diamondback

Action:

Semi-Auto

Barrel Length:

7"

Caliber:

5.56×45mm NATO

Capacity:

30

Finish Per Color:

Flat Dark Earth

18

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