Prometheus 6.03mm EG Inner Barrel for AEG - 247mm Pistol Platform_CZ Shadow As this is an ASG

As this is an ASG product

Unlike other sights that confine you to the use of a single red dot

external trigger

Added groove for anti-reversal latch spring

ROF range: 100~6000RPM

Prometheus 6.03mm EG Inner Barrel for AEG - 247mm Pistol Platform_CZ Shadow As this is an ASGInner bore width of 6. 03mm with a 0. 01mm tolerance. G36CP90CAR15SIG552. Solid BB stability and accuracy, made with enhanced stainless steel (SUS). Inner barrel bore width of 6. 03mm with a tolerance of 0. 01mm, made of stainless steel for superior strength necessary to maintain accuracy without the need for special coatings. The barrel is arguably the heart of any airsoft gun and determines various performance factors such as velocity (FPS),