Barra 400e – The First Production Full-Auto Electric BB Rifle
The Barra 400e made history as the first production full-auto .177 caliber BB gun powered entirely by electricity, eliminating the need for CO2 cartridges . This select-fire rifle delivers velocities up to 440 FPS with a rate of fire between 500-600 RPM . Available in both Metal and Polymer builds, the 400e offers an AR-15 style platform with ambidextrous controls, an 11.1V LiPo battery, and over 1,000 shots per charge . At Airgun Republic, we proudly offer this innovative air rifle to enthusiasts across the United States and Canada. We ship fast across North America—straight innovation, straight full-auto, straight to your door.
Barra 400e Gen 2 Specifications and Performance
The Barra 400e Gen 2 features a refined design with improved velocity and accuracy . It fires .177 steel BBs at 430-440 FPS with a 50-round magazine . The 11.1V LiPo battery delivers over 1,000 shots per charge, providing over 100 times cheaper operation per shot than comparable full-auto CO2 rifles . Available with either a durable CNC aluminum upper and lower (Metal version, 6.98 lbs) or a lightweight polymer construction (Polymer version, 5.2 lbs), the 400e features an M-LOK compatible handguard, Picatinny rail for optics, and a 6-position adjustable stock .
Barra 400e Reviews – What Shooters Are Saying
The Barra 400e has earned an outstanding 4.7/5 average rating from verified buyers, with 96% of reviewers recommending it . Owners describe it as the “coolest bb gun ever,” praising its realistic AR-15 styling, weight, and full-auto plinking capability . One reviewer called it “absolutely the funniest bb gun I have ever owned in my life” . Users consistently highlight the value of eliminating CO2 costs, with one owner noting the 400e saves “time, fuel and cost of high dollar ammo” . The included LiPo battery and USB balanced charger have been well-received, with reviewers noting “shot nearly all day on a single battery, 1000 rounds plus” . Many owners recommend buying extra magazines and a better sight for improved accuracy .
Barra 400e Accessories and Maintenance
The Barra 400e comes ready to shoot with a 50-round magazine, speed loader, flip-up sights, 11.1V LiPo battery, and USB balanced charger . The speed loader features a metal plunger for improved durability . For optimum performance, Barra recommends using their Zinc Coated Steel BBs . Replacement parts, including barrel kits, magazines, and buffer tubes, are available for long-term support . The 400e is designed for high-volume shooting, with the battery providing 200,000-400,000 shots over its lifetime when properly maintained .
Barra 400e at Airgun Republic – In Stock and Ready to Ship
Shooters across the USA and Canada can find the Barra 400e for sale at Airgun Republic. We carry the Barra 400e in both Metal and Polymer versions, in stock and ready to ship to your doorstep. Our Barra 400e price is competitive, and we offer fast, insured shipping. Before purchasing, please ensure you are at least 18 years old and verify your local regulations regarding airgun ownership. The Barra 400e is a premium addition to any collection and a joy to shoot. If you have questions, contact us at support@airgunrepublic.com. Shop now and experience the full-auto electric power of the Barra 400e. Straight full-auto. Straight to your door.






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