Description
Adding to their extremely successful line of stripped M4A1 uppers, Daniel Defense now has the stripped M4A1 upper with their RIII rail! This stripped M4A1 AR15 style Upper Receiver Group is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel and a mid-length gas system. It features a 12.5 inch lightweight RIS III rail—modeled after the revolutionary RIS II two-piece handguard developed for SOCOM—features M-LOK attachment for lighter weight while still offering M203 grenade-launcher attachment.FEATURES
- UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
- BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5″ Government Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
- GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 Hardened Steel with Mil-Spec Heavy Phosphate Coating, Mid-length, Direct Impingement
- HANDGUARD: Daniel Defense RIS III 12.5, Patented, 6-Bolt Bolt-Up System, CNC Machined of 6061-T6 Aluminum
- Made in the USA!
Please note that these stripped upper receivers are test fired at the factory. As such they will show slight wear and fouling and may have the appearsance of being lightly used.DOES NOT INCLUDE: Bolt Carrier Group, Charging Handle and Muzzle Device




