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 givesBeretta M9A3 Full Auto .177 CO2 Air Pistol Kit Full-AutoSemi-automatic repeater Blowback action slide Authentic FDE Color Scheme Threaded muzzle for mock suppressor