Manufacturer: DYTAC
Compatibility: For Tokyo Marui M4 series MWS Airsoft GBB Rifles
Threads: 14mm Negative (CCW)
Material: Aluminum
Package Includes: MWS Barrel Base, barrel extensions , 0.5" Spacer, and 0.25" Spacer
Installation: Easy
Weight: Light!
Quality: Threads and coating top notch
PS. If you're adding a gas block make sure its in the right spot before tightening down the grub screws. It's aluminum and will mar when you tighten them down.
100% satisfied.
Will be ordering From Dynatec over and over, shipping is fast & then have great products.