This guide highlights top full-auto CO2-powered airsoft guns popular in American playfields. Each option delivers rapid fire, authentic feel, and dependable performance under CO2 operation. Compare features, build, and fire rates to choose the best fit for backyard plinking, skirmishes, or training drills. All selections maximize realism while staying practical for enthusiasts who want true full-auto action.
Product Spotlight: Quick Reference
| Product | Brand | Approx. FPS (CO2) | Notes |
|---|---|---|---|
| DPMS Full Auto SBR CO2-Powered BB Air Rifle DSBR | DPMS | Up to 430 | Dual action, adjustable stock |
| Crosman CFAR1B Full Auto R1 CO2-Powered BB Air Rifle | Crosman | Up to 430 | Full or semi-auto; high rate of fire |
| Crosman BMPWX Full Auto CO2-Powered BB Air Rifle And Red Dot Sight | Crosman | Up to 430 | Full-size with real feel; red dot sight option |
| Crosman CFAM1 Full Auto CO2-Powered BB Air Rifle | Crosman | Up to 430 | Full auto with semi-auto option |
| Umarex Beretta M9A3 Blowback Full-Auto .177 BB Gun Air Pistol | Umarex | Up to 330 | Realistic blowback action |
DPMS Full Auto SBR CO2-Powered BB Air Rifle DSBR
The DPMS DSBR delivers a full-size experience with dual-action functionality. Its synthetic chassis provides a sturdy feel, and the gun can reach high rates of fire with two 12-gram CO2 cartridges. It shoots up to 430 fps, offering a balanced blend of power and control. An adjustable stock with six positions helps shooters tailor fit and shoulder comfort, improving accuracy during rapid bursts. This model is ideal for players seeking a realistic rifle-like experience in CO2-powered operation.
Crosman CFAR1B Full Auto R1 CO2-Powered BB Air Rifle
The CFAR1B offers full- and semi-auto modes, driven by two CO2 cartridges for a maximum velocity around 430 fps. It emphasizes a high rate of fire, capable of delivering rapid BB streams that suit close-quarters games or dynamic skirmish scenarios. Its rugged design aligns with standard airsoft expectations, making it a practical option for users who value versatility and reliability in CO2 power systems.
Crosman BMPWX Full Auto CO2-Powered BB Air Rifle And Red Dot Sight
The BMPWX combines a full-auto CO2 mechanism with a realistic feel and a built-in/bundled red dot sight option. Its two CO2 cartridges enable sustained volleys, with velocities around 430 fps. Aimed at players who want a compact yet capable platform, the BMPWX balances accuracy and rate of fire in a compact, durable package suitable for field use and tactical drills.
Crosman CFAM1 Full Auto CO2-Powered BB Air Rifle
The CFAM1 provides full-auto fire with an optional semi-auto mode, achieving speeds up to 430 fps. Built for full-size handling with a durable synthetic design, it suits players who want a straightforward, reliable CO2 platform for sustained volleys. Its design emphasizes consistency and ease of maintenance, making it a practical choice for regular CO2-powered play.
Umarex Beretta M9A3 Blowback Full-Auto .177 Caliber BB Gun Air Pistol
The M9A3 M9A3 model features a realistic blowback action and uses a 12-gram CO2 cartridge (CO2 not included). It fires .177 caliber BBs at speeds up to 330 fps, delivering a compact, highly realistic pistol experience. The design emphasizes authenticity and ease of use in close-quarters scenarios or training settings where compact CO2 power is preferred.
UMAREX Legends Thompson M1A1 Full-Auto .177 Co2 Blowback Air Rifle
Industry-heritage replica with CO2-driven blowback and a 30-shot capacity. It supports semi-auto and full-auto modes, delivering .177 BBs up to around 435 fps. This model blends iconic design with CO2 power for fans of classic rifles seeking authentic handling and performance in a full-auto format.
Barra Airguns 400e Gen 2 Polymer Full Auto BB Gun Kit
The Barra 400e Gen 2 uses battery power rather than CO2, offering full-auto firing with 430–440 fps and 500–600 RPM. While not CO2-powered, it represents a cost-effective, high-rate alternative for players prioritizing electricity-driven full-auto operation and long-term shooting sessions without CO2 reloading. It provides a different approach to sustained automatic fire in airsoft play.
Buying Guide: Key Purchase Considerations
- Power source and availability: CO2 systems require frequent cartridge changes and seals; consider brands that offer reliable cartridges and consistent performance across temperature ranges.
- Rate of fire and FPS: Higher FPS can improve engagement distance, but local field rules may cap allowed speeds. Rate of fire affects ammo consumption and control; ensure your platform accommodates your play style.
- Ergonomics and build quality: Look for adjustable stocks, comfortable grips, and durable synthetic or polymer bodies that resist field wear and tear.
- Optics and accessories: Red dot sights and rails can enhance aiming and accessory compatibility. Check included accessories and potential upgrades.
- Maintenance and parts availability: Choose models with broad parts support and clear maintenance guidance to maximize uptime and performance.
- Reality vs. practicality: While full-auto capability is appealing, practical training and safe play require control, safe handling, and adherence to field rules.
- Cost of ownership: CO2 consumption, replacement seals, and maintenance impact long-term costs; electric power options may be cheaper per session in some cases.
Across the reviewed options, CO2-powered full-auto rifles and pistols deliver compelling realism and rapid-fire action. Field and backyard players should weigh rate of fire, velocity, ergonomics, and maintenance when selecting a model. For those prioritizing authentic rifle handling with robust performance, the DPMS DSBR and Crosman BMPWX stand out for build quality and sustained CO2 operation. If compact form and real-blowback action matter, the Umarex Beretta M9A3 provides strong realism in a pistol format.