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The DD4 RIII 16" upper is built for folks who want a serious rifle without hunting down and hand-fitting a stack of parts. It shows up ready to run, chambered in 5.56 NATO with a Cold Hammer Forged Chrome Moly Vanadium Government Profile barrel that carries a 1:7 twist, chrome lining, and a heavy phosphate finish. Every barrel is HP and MPI tested, which is the kind of quality control that separates Daniel Defense from cheaper builds. The mid-length gas system is the real star here, giving you a softer, more even recoil impulse that keeps your sights settled between shots.
Wrapped around the barrel is the 12.5 inch RIS III rail, a lighter M-LOK evolution of the SOCOM-proven RIS II two-piece handguard. It free-floats the barrel for better accuracy and uses the same patented 6-bolt bolt-up system that held up under grenade launcher recoil, so it locks down rock solid and stays put. The receiver itself is CNC machined from 7075-T6 aluminum, Type III hard coat anodized, with indexing marks and M4 feed ramps.
Controls-wise, the ambidextrous GRIP-N-RIP charging handle is a standout. The oversized handles give you a positive grip with or without gloves, and the independently operating latches let righties and lefties charge the gun with their preferred hand. There is also an anti-gas feature that pushes gas up and away from your face, which you will appreciate the first time you run a suppressor. It ships with an M16 profile bolt carrier group that is MP tested, chrome lined, and properly staked.
The 16 inch barrel and mid-length gas combo makes this a versatile setup that feels equally at home on the range, in a training class, or set up as a defensive carbine. Drop it on a mil-spec lower and you have got a rifle carrying real Daniel Defense pedigree. The FDE finish on the rail and receiver rounds out a clean, cohesive look.
It is a complete upper receiver group, so it arrives fully assembled with the barrel, handguard, bolt carrier group, and charging handle already installed. You just need to attach it to a mil-spec AR-15 lower receiver and you are ready to run. No fitting or gunsmithing required for the upper itself.
The mid-length gas system pairs well with the 16 inch barrel to spread out the gas timing, which gives you a smoother, more even recoil impulse than a carbine-length setup. That translates to less muzzle rise and faster, more controlled follow-up shots. It also tends to be easier on parts over the long haul.
Yes. The 12.5 inch RIS III handguard uses standard M-LOK attachment slots, so your lights, grips, bipods, and other M-LOK gear will bolt right on. It free-floats the barrel and locks up with the same patented 6-bolt system Daniel Defense developed for its SOCOM-proven rails.
It is one of the better options for running suppressed. The GRIP-N-RIP has an anti-gas feature that directs gas up and away from your face, which cuts down on the blowback you get when a can raises system pressure. The ambidextrous latches also let you charge the gun comfortably with either hand.
| UPC | 818773022996 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 23-191-20088-011 |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Length | 28.6 |
| Package Height | 4.1 |
| Package Width | 5.7 |
| Product Type | Accessory-Uppers |
| Shipping Weight | 5.2 |
| Sights | No Sights |
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