Home » Shop » Diamondback Firearms DB15, 5.56 NATO, 11.5″ Threaded Barrel, Black, 9.5″ Free Float M-LOK Handguard, 30 Rounds
DBF DB15 SBR 556NATO 11.5" 30RD BLK

$1,115.00

Out of stock

🚚 Not on our shelf today — order now to reserve yours, or send us a message for a current lead time. It ships to your local FFL as soon as it arrives.
MPN
DB2377K001
UPC
815875016014
Caliber
5.56 NATO
Capacity
30
Action
AR Platform, Semi-Auto
Product Code: DBF2377K001 Categories: , Brand:

Diamondback DB15 SBR 5.56 NATO 11.5 inch short barrel rifle NFA – AR-15 SBR. No Form 4 needed. Western Sport TX.

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Product Description

Update, October 9, 2026: ATF no longer requires a Form 4, tax stamp, fingerprints or registration for suppressors, short-barreled rifles, short-barreled shotguns or AOWs. They now transfer on a standard Form 4473 with a background check. Anything below that mentions a Form 4, a wait or a tax stamp was written before this change. What changed

⚠ SHORT BARREL RIFLE (SBR) — NO FORM 4 REQUIRED
Since October 9, 2026, ATF no longer requires a Form 4, tax stamp, fingerprints or registration for short-barreled rifles. It transfers on a standard Form 4473 with a NICS background check. Your state’s law still applies, and taking one across state lines still needs an approved ATF Form 5320.20. Outside Texas, we ship to an SOT dealer in your state. What changed · How buying one works now

Diamondback DB15 SBR 5.56 NATO 11.5” 30rd — Black

The Diamondback DB15 SBR is Diamondback’s AR-15 platform in Short Barrel Rifle configuration — 11.5″ barrel puts this DB15 into NFA territory for exceptional carbine handling and maneuverability. The DB15 platform is built on Diamondback’s proven AR-15 pattern with mil-spec components. Ships with a 30-round magazine.

Spec Detail
Caliber 5.56 NATO / .223 Rem
Barrel 11.5″ — NFA Short Barrel Rifle
Capacity 30 Round Magazine
Platform DB15 AR-15 pattern
Finish Black
NFA Class Short Barrel Rifle (SBR) — Form 4, $0 stamp (OBBBA)

DB15 Platform: Diamondback AR-15 Quality

The Diamondback DB15 has established itself as a reliable, mil-spec-compatible AR-15 platform at a value price point. The SBR configuration with 11.5″ barrel is also an excellent suppressor host — the 11.5″ SBR + 5.56 suppressor combination is one of the most practical suppressed rifle setups available.

FAQ

Is the DB15 SBR suppressor ready? Yes — standard 1/2×28 muzzle thread is compatible with 5.56 suppressors. The SBR and suppressor are separate NFA items requiring separate Form 4 transfers.

Ordering from Western Sport

Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Additional information

Weight 14.125 lbs
Brand Diamondback Firearms
Caliber

Finish

Capacity

Action Type

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