Umarex USA

Stormline .177 BB

Caliber.177PowerplantCO2TypeCarbineProductionCurrent production (sold exclusively through Walmart per Hard Air Magazine; may also be marketed as 'StormFire') · 2026–

Specifications

Caliber: .177
Powerplant: CO2
Action: Semi-auto/Full-auto
Type: Carbine
Ammunition: BB
Magazine: 25 rounds
Max velocity: 430 fps
Overall length: 39 in
Weight: 4 lbs
Production status: Current production (sold exclusively through Walmart per Hard Air Magazine; may also be marketed as 'StormFire')