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Daniel Defense's DDM4 Rail has an ergonomic design that enhances firearm control. It features limited rotation QD swivel attachment points on both sides of the rail system for hassle-free sling attachment, while the continuous picatinny rail on top offers ample space for accessories and sights. The DDM4 Rail 10.0 can fit low profile gas blocks on barrels that are 11 inches and longer with mid-length or shorter gas systems. The rail system includes all the necessary hardware such as the barrel nut, bolt-up plate, screws, and tools like the barrel nut wrench and Allen wrench. It also comes with three Daniel Defense Rail Ladders made of high-temperature resistant Santoprene.
Key features include a lightweight free-floating barrel design, steel barrel nut, uninterrupted upper rail platform, integral sling swivel attachment points with limited travel, patented bolt-up system, and Mil-Spec 1913 Picatinny Rails.
The DDM4 Rail is made from aircraft grade 6061-T6 aluminum and is finished with Military Specification Type III Hard Coat Anodized. It's made in the USA!
To install, you need a bolt-up system barrel nut wrench (provided) and Allen wrench (provided).