Nine Ball AAP/6in Hi Capa 6.03 Tight Bore Inner Barrel (129mm)

The AAP01 6.03 Inner Barrel provides increased FPS, accuracy, and consistency.  The inner width is 6.03mm with a ±0.01mm tolerance!  This provides the perfect balance of FPS increase as well as accuracy and consistency.

• Improves accuracy
• Improves FPS
• Improves consistency