Our take: The JBU Version 2 CNC machined aluminum cylinder head is designated for use in M4 series and other Version 2 gearbox installed AEGs. It is precisely machined for perfect compression and is crafted of high quality material for long-term durability. JBU, renowned for superior craftsmanship, uses the highest quality materials in all of their upgrade AEG parts and accessories.
- CNC Machined
- Thick O-Ring
- Rubber Piston Buffer Pad
- Crafted of high-quality materials
- Version 2 gearbox/ mechbox compatible (M4, M16, MK16, MP5 etc.)
NOTE: Check your AEG's compatibility with this style cylinder head before purchasing.
Disclaimer: Any and all airsoft upgrade parts purchased from Airsoft Megastore will be used/installed at owner's discretion. Actual performance results depend on quality of installation, airsoft AEG barrel length, tightness of the air nozzle seal, and other possible performance-affecting factors. We are not responsible for any damage that may occur with improper installation. For best results, please do all upgrades at a certified professional airsoft technician/shop.