with Batteries

600 Rounds (High Capacity)

100% Polyester

not a modification of a solenoid-operated system

No rattling sound when moving

Prometheus Soft Bucking for AEG (60 Degree) accessories with BatteriesAIR SEAL CHAMBER BUCKING Prometheus 60Firm Bucking Proven performance, excellent range, and superior accuracy, the perfect bucking for 350 400 FPS. The easiest way to instantly improve your performance. Over a decade of engineering prowess, superb quality, and tolerances, you can count on a Prometheus bucking to hop your BBs even further and more accurately. MAINTENANCE: For best maintenance, please replace your bucking every 20,000 rounds, or when