LEVIATHAN V3 Optical

Gearbox Compatibility

• AK47, AK74, Galil, Bizon with TM-standard V3 gearbox
• Tokyo Marui AK47 Next Generation (not NGRS)
• G36, XM8 with TM-standard V3 gearbox
• Tokyo Marui G36 Next Generation (not NGRS)
• ASG CZ 805 BREN
• AUG
• UAR with TM-standard V3 gearbox
• FAL / SA58 with TM-standard V3 gearbox (not vz.58)
• MP5K
• UMP with TM-standard V3 gearbox
• SIG 55X with TM-standard V3 gearbox
• S&T VSS or VAL

Package Contents

• Leviathan V3 Optical with wiring
• Screw and washer to secure unit in gearbox
• 2x foam pad (1mm and 2mm for trigger sensitivity)
• Fire selector stickers and Leviathan logo sticker
• Installation manual (English)

Warnings

• Installation requires advanced knowledge of AEG systems.
• Follow the manual precisely, especially the optical gear sensor position.
• Common errors include misaligned sensors, poorly attached selector stickers, and incorrect gear height.
• Unit calibration via app is required before first use (light tuning, shot cycle, fire selector positions).
• Compatible smartwatches: Apple Watch Series 3 and newer, Samsung Galaxy Watch 4 and newer..