Prometheus 6.03 EG Barrel 128mm (G&G ARP 9).

High grade precision barrel from Prometheus at 6.03mm diameter for extra power and precision shooting.
With a precision barrel, you can opt for higher grade precision BB's for greater accuracy.

Features: 

• Made from high grade stainless steel
• Precision 6.03mm inner diameter provides superior range and accuracy
• Elongated hop-up window for optimized performance
• O-ring cut for inner barrel stabilization
• Length: 128mm
• Inner Diameter: 6.03mm
• Material: Stainless Steel