Technical information

Practical A.E.G Upgrade 2006

My gun keeps mis-firing. How do I tell if this is a magazine problem or a

mechbox problem?

I suspect that the hi-cap magazine is not working. What should I do to

fix it?

Generally speaking, mis-firing has nothing to do with the gears of the mechbox.

To find out whether or not this is a magazine problem, simply test fire with

another magazine. If problem persists, try to test fire with a low-cap mag. If a

low-cap mag still cannot make things work, chance is that something is wrong

with the hopup unit, OR that the nozzle in use is not the correct one for this AEG.

A systematic approach for determining the true cause of full-auto

misfiring problem:

First you need to know the symptom. Does misfire occur solely in full-auto mode?

If so, move to Solution 1. Otherwise, move to Solution 2.

Solution 1: try to fire full-auto using good quality 0.12g BBs. If the gun doesn't

mis-fire with 0.12g BBs, you may solve the problem by removing (by way of

filing down) 1 to 2mm of tapered plastic from the Nozzle. Based on our

experience, a nozzle that is too long can hinder bullet feeding when heavier BBs

(like the 0.20s) are in use.

Solution 2: try to fire semi-auto using good quality 0.20g BBs with a standard

cap magazine. If this works, try going full-auto. If full-auto works as well, it is

(very likely) a magazine problem - you may need to repair or replace your hi-cap