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Old October 7th, 2020, 13:41   #4
Ratters
 
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Join Date: Jul 2003
Location: Vancouver
Most avid gamers over time generally have more than one aeg. This allows you time to work on one that may not be performing well. As said above, airseal is vital to compression. I would watch some videos on how to work on version 2 gearboxes, how to achieve a solid airseal, etc. Maxx makes a reputable M4 type hop unit. Some of the earlier Combat Machines had wonky hop units which possibly created alignment issues or tolerance issues between the nozzle tip at full extension to the bucking. Some buckings also have a longer or shorter lip which can also lessen or increase the seal.

Side note: when you do remove the barrel and hop unit always make sure that spring is there. Sometimes there are two, a large one over the barrel and a small one on the hop unit. This applies force against the gearbox face for "correct" nozzle to bucking contact.

It comes down to luck for the inexperienced, trial and error for the informed and a science for the experts. Vernier calipers are your friend. Maxx also makes nozzles that are slightly over stock length which improve seal to the bucking and there are adjustable stainless nozzles available but the best advice you can have is what you read in the above posts and watching videos of builds or befriend an airsoft techie with good builds that can help you.

This is the essence of the sport, embrace it if you love it and pretty soon you'll be running guns you won't need to touch for years. They will be that reliable
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Last edited by Ratters; October 7th, 2020 at 13:45..
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