The M4A1 AR15 style Upper Receiver Group is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and our 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. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group.
Firearms, Gun Store, Receivers Frames
Daniel Defense – DD4 RIII Upper Receiver — 5.56mm NATO · Flat Dark Earth · 11.5″
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23-191-02397-011
Daniel Defense, DD4 RIII URG Upper, 5.56mm
11.5 Government, FDE, Threaded
RIS III 10.5 M-LOK Rail, Mid-Length Gas System, GRIP-N-RIP Charging Handle
The M4A1 AR15 style Upper Receiver Group is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and our 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. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group.
- Receiver Size
- AR-15
- Stripped
- No
- Billet
- No
- Color
- Flat Dark Earth
- Barrel Length
- 11.5"
- Caliber
- 5.56mm NATO
- Manufacturer
- Daniel Defense
| Receiver Size | AR-15 |
|---|---|
| Stripped | No |
| Billet | No |
| Color | Flat Dark Earth |
| Barrel Length | 11.5" |
| Caliber | 5.56mm NATO |
| Manufacturer | Daniel Defense |
