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Daniel Defense DDM4ISR Integrally Suppressed 300BLK Rifle

Posted on July 22nd, 2016 by ar15news

Black Creek, GA – July 20, 2016 – Daniel Defense, manufacturer of the world’s finest firearms and accessories, has taken suppressed weapons to the next level with the release of their new DDM4ISR rifle. This new rifle, designed for fulltime-suppressed fire and optimized for the .300 Blackout cartridge, features a fully integrated suppressor attached to its barrel, so it’s ready for suppressed service right out of the box.

DD ISR Integrally Suppressed Rifle 1

“This revolutionary rifle simplifies suppressor usage by eliminating variables and uncertainty,” said Daniel Defense VP of Sales Bill Robinson. “There’s no need to attach a suppressor and wonder if it’s mounted correctly and properly aligned. And no need to re-zero the weapon for suppressed vs. unsuppressed fire. The suppressor is literally part of the barrel.”

The high-performance suppressor—constructed of durable, heat-resistant metal alloys and coated with a protective high-temperature Cerakote-C finish—features a user-serviceable baffle core that can be easily removed for cleaning and maintenance. It is permanently attached to a 9-inch Cold Hammer Forged fluted barrel with a target crown for superb accuracy and reliability. Because the suppressor is a permanent part of the barrel, extending the barrel to the NFA-required 16 inches, the firearm is not classified as a Short Barreled Rifle (SBR) and only requires a single tax stamp, for the suppressor.

DD ISR Integrally Suppressed Rifle 1

Everything else about the DDM4ISR is classic Daniel Defense. It features a pistol-length gas system and comes standard with an MFR XL 15.0 modular handguard, which features a continuous 1913 Picatinny rail on top and Keymod attachment points at the 3, 6, and 9 o’clock positions. This longer handguard, in conjunction with a DD Buttstock and Pistol Grip, make this ergonomic rifle highly maneuverable and as versatile as the .300 Blackout rounds it fires. A resilient Mil Spec + Cerakote finish protects the rifle from the elements and adds to its overall aesthetic.  

DD ISR Integrally Suppressed Rifle 2

Available in states where suppressor ownership is legal, the DDM4ISR has an MSRP of $3049.00 Learn more or purchase this rifle by visiting or an authorized dealer.

About Daniel Defense

Located in Black Creek, Georgia, Daniel Defense is a leading manufacturer of premium firearms, rail systems, and accessories. Its iconic brand remains unmatched in quality, precision and world-class customer service. President/CEO Marty Daniel founded Daniel Defense, which started out creating rails and accessories for the AR-15 platform in small batches. Today, with two locations and a combined 137,000 square feet of manufacturing space, Daniel Defense continues to make quality rails and accessories and the world’s finest firearms for civilian, law enforcement, and military customers.

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