| Accessories: | M4 12.0 Rail |
| Type of Barrel: | 1:7 |
| Barrel Length: | 14.5" Pinned (16" OAL) |
| Description: | Carbine |
| Fit: | AR Rifles |
| Caliber: | 223 Remington |
| Alt. Caliber: | 556NATO |
| Manufacturer: | Daniel Defense |
| Manu Part No: | 23-004-13150 |
| Model: | M4A1 |
| Type: | Upper |
| UPC: | 815604016612 |
| Short Desc: | DD M4A1 UPPER URG 14.5"PB 556 FDE |
