Daniel Defense DDM4 M4A1 5.56 NATO Semi-Auto Rifle with 16.1 in Cold Hammer Forged Chrome-Lined Barrel and M4A1 RIS II Quad Rail (Brown)
This Daniel Defense DDM4 M4A1 stands out with its carbine-length gas system, cold hammer forged 16.1 inch chrome-lined barrel, and the proven M4A1 RIS II free-float quad rail. Factory markings from Black Creek, GA and the M4A1 designators are present throughout, and the rifle features a consistent brown finish with Daniel Defense furniture. It includes a 32-round magazine and factory accessories, making it a complete, high-quality AR-15 platform package.
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.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minimal markings from previous handling and use.
What’s Included
- 1x 32-round polymer AR-15 magazine
- Daniel Defense factory hard plastic rifle case
- Daniel Defense DD4/DDM4/DD5 instruction & safety manual
- Daniel Defense polymer vertical foregrip (installed)
- Daniel Defense polymer rail covers on 3 and 9 o'clock rails (installed)
- Daniel Defense rubber buttpad (spare, not installed)
The DDM4 M4A1 configuration pairs a 16.1 inch cold hammer forged, chrome-lined 4150 CMV steel barrel with a carbine-length gas system and an M4 profile. The barrel is threaded 1/2x28 and fitted with an open three-prong flash hider. Twist rate is 1:7 to support a wide range of 5.56mm NATO loads.
The Daniel Defense M4A1 RIS II free-float quad rail is constructed from 6061-T6 aluminum and measures 12.25 inches. It features a continuous MIL-STD-1913 Picatinny top rail with numbered T/R positions, offering organized mounting space. Factory polymer rail covers are installed at 3 and 9 o'clock, and a Daniel Defense vertical foregrip is mounted.
Receivers and furniture are finished in brown, with matching Daniel Defense polymer components. The collapsible stock includes a DD-branded buttpad, and the pistol grip uses textured overmold panels for secure handling. The manual safety selector and direct impingement operating system reflect the rifle's straightforward, duty-grade layout.
Markings include an upper receiver marked "M4A1" with an oval "5.56," a lower marked "Daniel Defense," "BLACK CREEK, GA U.S.A.," and "MODEL DDM4," and a handguard marked "M4A1 RIS II," "DANIEL DEFENSE LLC BLACK CREEK GA," and "U.S. PAT. NO 7770865." Capacity is listed at 32+1. This rifle is made in the USA.