TTI Airsoft AAP01 6.03mm Inner Barrel - 129mm Colour_Gold It allows you to fine-tune

It allows you to fine-tune gearbox upgrades

with an abundance of custom parts and finishes

Clear central spot with minimal side spill allows illuminating objects at a distance of up to 501 meters

Length: 720-800mm

TTI Airsoft AAP01 6.03mm Inner Barrel - 129mm Colour_Gold It allows you to fine-tuneThis 6. 03mm tight bore barrel from TTI Airsoft is a great way to increase the accuracy and FPS of your AAP01. The barrel measures 129mm in length, The inner diameter of the barrel is 6. 03mm. Remember to use only the highest quality BB's with this barrel as due to its tighter bore, jams and mis feeds can happen with low quality BB's. Always test your FPS after installing to make sure your pistol remains under the legal limit in your region.