Description
Overview
The Daniel Defense DD4 RIII Upper Receiver Group is a precision built AR-15 upper that blends rugged design with modern modularity. It pairs a 16″ Cold Hammer Forged barrel with a mid-length gas system and a lightweight RIS III rail that supports accessories without adding unnecessary weight. Finished in Flat Dark Earth, this upper delivers dependable performance and a refined tactical appearance for a wide range of rifle builds.
What It Does
This upper receiver group gives your rifle a balanced configuration suited to defensive, duty, or range use. The 16″ barrel supports efficient propulsion of 5.56 NATO ammunition while the mid-length gas system promotes smoother recoil and consistent cycling. The RIS III rail provides generous attachment space for optics, lights, lasers, and back up sights without sacrificing durability. A premium bolt carrier group and Gruip-N-Rip charging handle are included so the entire assembly functions smoothly right out of the box.
Features
- Cold Hammer Forged 16″ barrel built for consistent performance.
- Mid-length gas system tuned for smoother recoil impulse.
- Lightweight RIS III rail with M-LOK attachment points for modular accessories.
- Gruip-N-Rip charging handle for comfortable manipulations.
- Premium bolt carrier group included for reliable operation.
- Pinned low profile gas block for solid indexing and reduced weight.
- Flat Dark Earth finish that complements tactical builds.
Specs
- Chambered in 5.56 NATO for broad ammunition compatibility.
- 16″ Cold Hammer Forged government profile barrel with 1:7 twist.
- Mid-length gas system for smooth recoil characteristics.
- RIS III lightweight rail with M-LOK mounting slots.
- Includes bolt carrier group and charging handle.
FAQ
Will this fit my AR-15 lower?
Yes. It’s built to mate with standard AR-15 lowers using normal barrel extension and pin locations.
Is the barrel length suitable for general use?
Yes. The 16″ barrel offers a balance of compact handling and effective velocity for defensive and range applications.
Can I mount accessories?
Yes. The RIS III rail gives ample space for sights, lights, lasers, grips and other modular gear.
Does this include the bolt carrier group?
Yes. A premium bolt carrier group and charging handle are included for reliable cycling and function.
Is the gas system tuned for reliability?
Yes. The mid-length gas system helps deliver smoother recoil and consistent operation with a variety of ammunition.
Is this sturdy enough for tactical applications?
Yes. Its engineered components and modular rail system make it robust for defensive, duty, or high tempo range builds.
