Action Army 6.03mm Inner Barrel for AAP-01 Pistol - 129mm
- This 6.03mm tight bore barrel from Action Army is a great way to increase the accuracy and FPS of your AAP01.
- The barrel measures 129mm in length, this is the same size as the original barrel.
- 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.