Black Rain Billet features Spec15 forged upper receiver, billet lower receiver; 15" M-LOK handguard; Castle Flash Suppressor; MFT Minimalist stock and Flat Dark Earth Cerakote finish.
| Barrel Description | Chrome Moly Steel |
| FireArm | yes |
| Caliber | 5.56x45mm |
| Action | Semi-Auto |
| Sights | None |
| Hand | Right Hand |
| Stock Finish Group | Black |
| Metal Finish Group | Brown |
| Barrel Length | 16" |
| Stock Description | 6 Position MFT Minimalist |
| Receiver Material | Aluminum |
| Barrel Length Range | 16" to 16.99" |
| Trigger | G.I. Trigger |
| Safety | Safety Selector Switch |
| Capacity | 30+1 |
| Muzzle | A2 Flash Hider |
