The new DDM4 ISR Gen2 from Daniel Defense, chambered in 300 Blackout, is one hot rifle. As the integral suppressor is permanently affixed to the 9-inch barrel, the rifle only requires one NFA tax stamp.

At the heart of the rifle is the DDM4 in 300 BLK, a gas-operated, beyond-mil-spec rifle with a flared magazine well, a custom Daniel Defense grip, a high-end Daniel Defense collapsible stock and a rifle-length KeyMod forearm concealing the integral stainless steel suppressor (which has a salt-bath-nitride finish for durability and low visibility). The chrome-moly, 9-inch-long barrel has a nitride finish and uses a pistol-length gas system.

With subsonic rounds, the total report is around 130 decibels, a significant decrease from unsuppressed operation. You can service the suppressor’s baffles via the removable end cap. As of April 2016, the top-notch DDM4 ISR Gen2 will be available in multiple Cerakote finishes.

For more information on the DDM4 ISR Gen2, please visit

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