The Black Rain Ordnance Fusion is an AR-15 pattern semi-automatic rifle chambered in .300 Blackout with a 16-inch barrel. It ships with a 30-round magazine and an M-Lok handguard. The finish is a Zombie Green Battleworn treatment. 
 

Key Specifications 

• Brand: Black Rain Ordnance 
• Model: Fusion 
• Caliber: .300 Blackout 
• Action: Semi Auto 
• Barrel Length: 16 in 
• Capacity: 30 rounds 
• Color/Finish: Zombie Green Battleworn 
   

Detailed Features 

• AR-15 pattern rifle in .300 Blackout 
• 16-inch barrel 
• M-Lok handguard 
• Zombie Green Battleworn finish 
• 30-round magazine included

Owners of the Black Rain Ordnance Fusion in .300 Blackout typically praise the Zombie Green Battleworn finish as a standout visual element that holds up well with normal use. Build quality is generally regarded as solid for the price bracket, with the M-Lok handguard drawing positive mentions for its accessory-mounting flexibility.

The .300 Blackout chambering gets consistent approval from those who use the rifle for home defense or suppressed shooting, where the cartridge performs well at 16 inches. A common note is that subsonic loads cycle reliably, though some owners recommend testing a few brands before settling on a preferred round.

Value perception is mixed. Some buyers feel the Battleworn aesthetics justify the premium over a plain BRO build; others would prefer the money go toward internals upgrades. Aftermarket support is broad given the standard AR-15 platform, so the Fusion is easy to modify.