UA_KRYTAC-V2 Gearbox

Type: Part
1-3 Week Lead Time
Krytac V2 Nautilus gearbox, rebuilt and upgraded for competitive performance by Umbrella Armory technicians. The same gearbox base found in UA_Krytac AEGs; allows for near drop-in upgradability for Krytac M4/V2 type Airsoft guns

18.1_DSG (7t)
30000_RPM 16_TPA ≤310mm_BRL ~300~370_FPS
18.1_SSG (-3) ≤40000_RPM 14_TPA ~280mm~416mm_BRL ~375~430_FPS

18.1_SSG (FULL) 30000_RPM 16_TPA ~387.5mm~457mm_BRL ~450~500_FPS

 Table information


  • Compatible with Krytac V2 AEG/AR type receiver, may be compatible with other
  • CQBR Gearbox ideal for Krytac SDP, PDW, PDW-M, CRB, CRB-M, LVOA-S, REC7 SBR, LMG base model
  • CARBINE Gearbox ideal for Krytac CRB, CRB-M, LMG, REC7 SBR/CARBINE, LVOA-S, LVOA-C, GPR-CC, TR47, SPR, SPR-M base model
  • DMR Gearbox ideal for Krytac LVOA-C, GPR-CC, TR47, SPR, SPR-M base model
  • Shimmed for use with ASG Boost and Action Army motor and KRISS Defiance motor grip
  • Includes spring guide spacer set for FPS/Joule tuning
  • Combine with UA_R-Hop barrel for complete Umbrella Armory performance with increased long range accuracy


  • Anti-corrosion coated Aluminum gearbox shell
  • High density, heat treated wire-cut steel alloy gearset
  • Japanese steel caged 8 millimeter bearing
  • Polymer piston head, air nozzle, selector & tappet plate
  • Glass fiber nylon piston body
  • Full steel piston gear rack
  • Heat-treated high density steel anti-reversal latch
  • Double o-ring cylinder head with reinforced padding
  • Steel ball bearing quick change spring guide
  • Polished brass cylinder
  • Electronic solid-state control unit PCB with military specification MIL-V-173C coating
  • 16 american wire gauge, low resistant wire, deans t-type connector 
  • Aluminum CNC 6061 trigger, titanium pivot pin


    • Compatibility and performance may vary, experienced technicians advised
    • Parts and configuration featured in photos are not 100% representative and may differ than actual product. Please view build details near the top of the page for updated parts and included accessories
    • Made to order for some variant options, up to 4 week lead time
    • Manual/FAQ
    • Return policy

    Customer Reviews

    Based on 1 review
    John S.
    Great upgrade

    Very happy with this gearbox. Paired with a warhead brushless 36k motor it has near HPA level trigger response. It’s pretty amazing and is a conversation starter on the field. Also is easy drop-in installation as advertised.