Lees Precision Engineering have a special offer on their Tokyo Marui magazine O-ring repair kits:
20% Off O-ring Repair Kits for Tokyo Marui Magazines
Lees Precision Engineering O-Ring repair kits for Tokyo Marui gas magazines now have 20% off until 31/12/2012, were £10.00, now £8.00, worldwide shipping is £1.80 flat rate.
Trade and wholesale prices available for retailers and distributors, please contact for a trade price list.
"This handy repair kit contains enough high quality replacement O-rings to replace most of the valve seals in four Tokyo Marui gas magazines and convert them all to silent fill.
Confirmed to fit the following Tokyo Marui gas magazines :-
Detonics .45 Combat Master
Mk23 SOCOM Fixed Slide
It is likely these will also fit other Tokyo Marui models and direct clones of them but this kit has not been tested and confirmed to fit if not listed.
These sets are ideal for keeping ready in a kit bag or toolbox without the parts going missing ready in-case you suddenly find a magazine is leaking just before a skirmish or just to fix any existing leaks.
This kit contains :-
12x Release valve O-rings (3 Different sizes, 4 of each)
8x Silent fill valve O-rings
4x External fill valve O-rings
Assembled in the United Kingdom by Lees Precision Engineering."