Daniel Defense DDM4 PDW .300 BLK AR Pistol — 7 in CHF Threaded Barrel, MFR XL 6.0 M-LOK, Maxim Defense CQB Brace
This micro-format DDM4 PDW stands out with a 7 in cold hammer-forged, threaded barrel in .300 AAC Blackout, a Daniel Defense linear compensator that directs blast forward, and the compact Maxim Defense CQB brace with an enhanced buffer system. It features the MFR XL 6.0 free-float M-LOK handguard with a full-length T-marked Picatinny rail, the GRIP-N-RIP ambidextrous charging handle, and clear factory markings. Made in the USA and configured for 30+1 capacity, it measures approximately 20.75 in overall length.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This example shows minimal evidence of prior handling. The bore is bright and shiny.
What's Included
- Factory hard case
- Daniel Defense DD4/DDM4/DD5 Operation & Safety Manual
- 1x 30-round Magpul PMAG for 300 BLK (polymer)
- Buffer/recoil spring (uninstalled)
Built on the AR-15 platform and sized for PDW use, this DDM4 PDW Pistol is chambered in .300 AAC Blackout (7.62x35mm) with a 7 in barrel and pistol-length gas system. The upper is marked DDM4.PDW, while the barrel and receiver carry 300 BLK/300 markings for quick identification. Forward assist and an ejection-port cover are present, and the right-side selector is marked SAFE/SEMI.
The cold hammer-forged barrel is threaded 5/8x24 and fitted with a Daniel Defense linear compensator to send blast forward. The free-float MFR XL 6.0 aluminum handguard offers M-LOK attachment along with a full-length, T-marked top Picatinny rail (T1–T29) for mounting accessories along the entire upper length.
Controls and furniture are purpose-built for the PDW format. The Maxim Defense CQB two-rod pistol brace provides multi-position adjustability and pairs with an enhanced buffer system to keep the package compact. A textured polymer pistol grip ensures a secure hold, and the Daniel Defense GRIP-N-RIP ambidextrous charging handle includes anti-gas features.
This USA-made configuration provides a 30+1 capacity in a compact package with an approximate overall length of 20.75 in. The manual safety selector, direct impingement operating system, and Daniel Defense components reflect a cohesive factory build. MSRP is listed at $1,865.



