Daniel Defense DDM4 PDW .300 AAC Blackout AR Pistol, 7 in Cold Hammer Forged Barrel, Tan/Bronze, Maxim CQB PDW Brace, 30+1
The Daniel Defense DDM4 PDW is a compact .300 AAC Blackout AR pistol built around a 7 in cold hammer forged chrome-moly-vanadium barrel and a pistol-length gas system. It features the MFR XL 6.0 free-float handguard with M-LOK at 3, 6, and 9 o'clock plus a full-length 1913 Picatinny top rail, a factory linear compensator on 5/8x24 threads, and a Maxim Defense CQB PDW brace with a shortened buffer system. The tan/bronze 7075-T6 aluminum receivers keep weight low at about 5 lbs 11 oz, with an overall length of approximately 20.75 to 24.75 inches.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There is mild carbon buildup and wear. There are a few scratches in the finish.
What’s Included
- Daniel Defense DD4/DDM4/DD5 owner's manual (instructions/safety/maintenance)
- Magpul PMAG AR/M4 GEN M2 MOE 30-round polymer magazine (1)
- Buffer spring
This example is marked "DDM4 PDW" on the model and "300" on the upper receiver, confirming its .300 AAC Blackout chambering. It uses a semi-automatic, direct-impingement operating system with a pistol-length gas system tailored to the 7 in barrel.
The barrel is cold hammer forged from chrome-moly-vanadium steel, cut with a 1:7 twist, and threaded 5/8x24. A factory linear compensator is installed. The ejection-port dust cover and forward assist are present.
The Daniel Defense MFR XL 6.0 free-float aluminum handguard provides M-LOK slots at 3, 6, and 9 o'clock with a continuous 1913 Picatinny top rail. A compact hand stop is installed for added control.
The pistol employs a Maxim Defense CQB PDW brace on dual guide rods with a shortened buffer system, keeping the overall length around 20.75 to 24.75 inches. Receivers are 7075-T6 aluminum in a tan/bronze finish, and controls include an ambidextrous charging handle. A polymer pistol grip with overmold-style texture and finger grooves is fitted. Capacity is 30+1, and unloaded weight is about 5 lbs 11 oz. Made in the USA.




