Features Precise and durable CNC aluminum construction TDC (Top Dead Center) Enables hop-up adjustments from the topside screw without the disassembly of the slide Provides a more stable hop-up compared to standard units Non-tilting design allows for more consistent and accurate shots Fixation method minimizes outer barrel misalignment Manufacturer: Nine Ball / Laylax Specifications: Compatibility: Works with Tokyo Marui and other similar Hi-Capa series GBB PistolsMaterial: Aluminum