Echo1 Airsoft M4 Replacement Cylinder 3/4 Cut (Non Bore Up)
A replacement cylinder for M4s and compatible gearboxes. This is the non bore up version, with slots located 3/4 way along the cylinder. This cylinder is ideal for M4 AEGs and AEGs with similar barrel lengths to 360mm. If installed with AEGs whose barrel exceeds 450mm, compression issues may arise.
- Replacement cyclinder with seal coating
- 3/4 cut cylinder, ideal for mid to short barrels
- Non-Bore Up Cylinder, will work with most piston heads