Umarex StrikeForce Full Auto .177 BB Gun | Umarex

auto177It’s time to spend less time hassling with CO2 cartridges and more time shooting. The 400e, as the first production full-auto .177 BB gun powered entirely by electricity, offers unmatched convenience. The 400e Gen 2 Metal givesBarra Airguns' 400e, the first production full-auto .177 BB gun powered entirely by electricity, eliminates the need for CO2 cartridges, delivering unmatched convenience and shooting