Technical information
Practical A.E.G Upgrade 2006
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is highly inelastic in this regard.
As a side note, it appears that the CA Version 2 mechboxes have been reinforced
and are stronger than the TM counterparts. Stock version 3 mechbox does have
a more intact design and can afford higher impact (all the way up to M140 if kept
under proper usage, as experienced by some of the experienced technicians).
If you are to replace your stock mechbox with a third-party-made reinforced one,
be prepared for parts incompatibility – the cylinder, the tappet plate, and the
electrical unit in particular. Although you MAY BE able to get them fit through
simple cutting and drilling, to reduce troubles the best thing to do is to verify
with the manufacturer directly before purchase.