Daniel Defense DDM4 ISR .300 AAC Blackout Integrally Suppressed AR-15, 16 in Barrel, Earth-Tone Finish
The Daniel Defense DDM4 ISR stands out as an integrally suppressed .300 AAC Blackout carbine with a 16-inch pinned and welded system housed inside a Daniel Defense MFR XL 15.0 KeyMod handguard. It features a full-length T-marked Picatinny top rail, an earth-tone finish, and premium upgrades including a Geissele Super Tricon trigger, BCM Gunfighter Mod 3 pistol grip, and a Forward Controls Design winter trigger guard. The rifle is built on a semi-automatic, direct-impingement AR-15 platform and includes the original factory case and manual.
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: This firearm is in great shape, with some minor scratches and blemishes present.
What's Included
- Factory hard case (original)
- Daniel Defense instruction manual
- Daniel Defense buttstock recoil pad (spare, uninstalled)
- Daniel Defense polymer AR-15 magazine, 32-round
- Vertical foregrip (installed)
This ISR configuration uses an integrally suppressed front end tucked under a Daniel Defense MFR XL 15.0 KeyMod handguard, delivering a streamlined profile with a 16-inch pinned and welded barrel system. The upper receiver is marked "DDM4ISR" and "300" and carries a full-length T-marked Picatinny top rail for mounting.
The rifle follows the DDM4 series pattern with a semi-automatic, direct-impingement gas system. Controls include a standard magazine release and an ambidextrous safety selector. A dust cover and forward assist are present. No sights are installed.
Ergonomics are enhanced by a Daniel Defense collapsible stock with rubberized panels, providing a 10–13.5 in length of pull range. The rifle is equipped with a BCM Gunfighter Mod 3 pistol grip in tan polymer, a Forward Controls Design winter trigger guard, and an installed vertical foregrip.
The fire-control group features a Geissele Super Tricon trigger. The carbine wears an earth-tone finish throughout and is made in the USA.
Chambered in .300 AAC Blackout (7.62x35mm), the rifle has a 32+1 capacity and includes one Daniel Defense 32-round polymer magazine.

