Designed for precision, engineered for performance. Barra Airguns Zinc-Plated Steel BBs have been rigorously tested in a wide range of airguns, across different climates and shooting conditions, ensuring top-tier reliability. While optimized for the 400e full-auto air rifle, these BBs deliver exceptional performance in CO₂, multi-pump, and spring-powered airguns alike.

✔ Caliber: 0.177 (4.5mm)
✔ Material: Zinc-coated steel for smooth feeding and durability
✔ Diameter: 4.40 ± 0.0025mm (tighter tolerance for enhanced performance)
✔ Optimized Surface Finish: Improves accuracy, feeding, and velocity
✔ Container: Reusable plastic jar with an easy-pour spout
✔ Compatibility: Works with all .177-caliber airguns and powerplants