This handy repair kit contains enough high quality replacement O-rings and bearings to replace all the major seals in four King Arms or Mosquito Molds 40mm Moscarts and enough bearings to rebuild 2 release valves.


These sets are ideal for those who regally use Moscarts and can be kept in a kit bag or toolbox without the parts going missing ready in-case you suddenly find one is leaking just before a skirmish!


This kit contains :-

  • 4x Main valve O-rings (Also fits King Arms moscarts with removable cap holding the fill valve)
  • 4x Internal fill valve O-ring
  • 4x External fill valve O-ring
  • 4x BB Retention O-ring
  • 8x 3mm Steel bearings
Fits the following King Arms moscarts :-
  • 120R Cartridge M433 HEDP
  • 120R Cartridge M433 HEDP Version II
  • 60R Cartridge M433 HEDP
  • 60R Cartridge M381 HE VN
  • 120R Cartridge M381 HE VN
  • 192R Cartridge XM 1060
  • 192R Cartridge XM 1060
And some other 40mm moscarts/grenades (Please note that some parts in this kit will fit other brands and models of moscarts but we cannot guarantee that all parts will fit or work).

Assembled in the United Kingdom by Lees Precision Engineering.