The Daniel Defense DDM4 PDW SBR in FDE is the Flat Dark Earth version of the company’s compact .300 Blackout short-barreled rifle (Daniel Defense part no. 02-088-03085-047). It is built around a 7-inch cold hammer forged S2W barrel that keeps subsonic loads subsonic while still giving good ballistics for its length. The Maxim Defense CQB Gen 7 stock and enhanced buffer system run reliably suppressed or unsuppressed, and a 6-inch MFR XL M-LOK rail carries an SLR handstop. A 30-round magazine is included. It is a good pick for a shooter who wants the PDW’s size and handling in a tan finish.

Key Specifications

• Chambering is .300 Blackout, a cartridge designed to work from short barrels with both subsonic and supersonic loads.
• The barrel is a 7-inch S2W profile in cold hammer forged chrome moly vanadium steel, chrome lined for durability.
• Rate of twist is 1:7, compatible with both subsonic and supersonic loads.
• The stock is the Maxim Defense CQB Gen 7 with the Maxim enhanced buffer system, which functions reliably suppressed or unsuppressed.
• The handguard is the MFR XL 6.0 M-LOK with an SLR M-LOK MOD2 plain front handstop, giving attachment points for lights and accessories.
• The muzzle carries the Daniel Defense Linear Compensator on 5/8×24 threads, which directs muzzle blast forward of the shooter.
• The gas system is pistol length, direct impingement, sized for the 7-inch barrel.
• The color is Flat Dark Earth, the tan version of the PDW platform.
• Listed weight is 5.7 pounds, which keeps the rifle easy to carry.
• Overall length is 21 to 25 1/2 inches with the muzzle device, depending on the stock position.

Frequently Asked Questions

Is this PDW the FDE version? Yes. This is the Flat Dark Earth DDM4 PDW SBR in .300 Blackout, and it is listed with a 30-round magazine.

Do I need ATF approval to buy this? No. As of October 9, 2026, ATF no longer requires Form 4 approval, registration or a tax stamp for short-barreled rifles. It transfers on a Form 4473 with a background check through a Class 3 (SOT) dealer. State and local laws still apply. Taking an SBR across state lines still requires an approved ATF Form 5320.20.

Can it run suppressed? Daniel Defense says the Maxim CQB Gen 7 stock with its enhanced buffer system functions reliably suppressed or unsuppressed, and the muzzle is threaded 5/8×24.

Buy the Daniel Defense DDM4 PDW SBR FDE, .300 Blackout, 7-Inch Barrel, 30-Round

As of October 9, 2026, this short-barreled rifle transfers on a Form 4473 with a background check at your Class 3 (SOT) dealer, with no Form 4 or tax stamp; state and local laws still apply. The 7-inch barrel and compact stock make it a very short package for storage and vehicle carry. Order through Daniel Defense‘s short-barreled rifles lineup and our Lubbock, Texas team will handle the transfer, and it ships fast to your Class 3 dealer.