The Black Rain Fission rifle features aa aluminum receiver with a Burnt Bronze Battleworn Cerakote finish, "LET IT RAIN" engraved on the dust cover, Salt Bath Nitride Coated Spec15 BCG, Direct Impingement gas system 750 Non-Adj Gas Block, Spec15 Forged Charge Handle, 15" M-LOK Slim aluminum handguard and a Magpul MOE black grip and stock.
| OAL | 34.50" |
| FireArm | yes |
| Weight | 7.80 lbs |
| Action | Semi-Auto |
| Receiver Material | 7075-T6 Aluminum |
| Stock Description | Adjustable Magpul |
| Weight Range | 7 lbs to 7.99 lbs |
| Stock Finish Group | Black |
| Metal Finish Group | Brown |
| Caliber | 5.56x45mm NATO |
| Barrel Length | 16" |
| Barrel Length Range | 16" to 16.99" |
| Trigger | G.I. Trigger |
| Hand | Right |
| Barrel Description | Chrome Moly |
| Capacity | 30+1 |
| Muzzle | A2 Flash Hider |
| Sights | Optic Ready |