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A&K m249 upgrade parts list
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21-10-2007 3:16pm#1
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i'll be doing the same thing with my m249 in about two weeks (have to wait until pay day to order parts
)
the parts list you have looks good (infact i'd almost accuse you of stealing my parts list
) and you shouldnt have any issues with those parts if your happy enough to rebuild a gearbox
the PGC gearbox (with a 1J spring instead obviously) is a drop in replacement for the gearbox in the m249
tappet plate - if your going for a high speed setup, id upgrade this, having opened the gearbox, i wouldnt be hopeful of the stock tappet plate lasting very long at high rof
selector switch - there isnt one, m249 has two modes, safe and full auto, the fire selector is basically just a trigger safety
however, what you may have meant, is the microswitch that is pushed by the trigger, this i would replace, i've replaced them in two 249's already, they seem to be quite cheap and the metal inside arc's very easily, the switch gets burnt out and when it does, has a tendency to continue firing after the trigger is released, there is a replacement available in maplin which is similar, but will require removing the lever from the original microswitch and installing it into the new one, and either replacing the connectors on the wiring for bigger ones, or soldering the wiring directly to the switch
if you've little or no experience messing around with gearbox's, the pgc style gearbox is a good one to start with, the quick spring release feature allows you to remove the spring before opening the gearbox making it much easier to open
also, because the motor is mounted into the gearbox, you can test fire it without having to install it back in the gun first0 -
i'll be doing the same thing with my m249 in about two weeks (have to wait until pay day to order parts)
Sadly, me too. Stupid need for food and rent money.the parts list you have looks good (infact i'd almost accuse you of stealing my parts list) and you shouldnt have any issues with those parts if your happy enough to rebuild a gearbox
I think I will, I have no problem with doing it. Seems to be fairly straight forward, with a fair amount of standardisation in the parts needed for most guns.the PGC gearbox (with a 1J spring instead obviously) is a drop in replacement for the gearbox in the m249
I think I will leave it alone, mainly due to cost. Seems much cheaper to rebuild the current onetappet plate - if your going for a high speed setup, id upgrade this, having opened the gearbox, i wouldnt be hopeful of the stock tappet plate lasting very long at high rof
The tappet plate in the gun is one of the parts I am having trouble sourcing a replacement for as I'm still unsure as to what a tappet plate is, let alone what type the gun needs.however, what you may have meant, is the microswitch that is pushed by the trigger, this i would replace, i've replaced them in two 249's already, they seem to be quite cheap and the metal inside arc's very easily, the switch gets burnt out and when it does, has a tendency to continue firing after the trigger is released, there is a replacement available in maplin which is similar, but will require removing the lever from the original microswitch and installing it into the new one, and either replacing the connectors on the wiring for bigger ones, or soldering the wiring directly to the switch
That is what I was talking about and there seems to be a fix for that problem. I found it in a review on Arnies today.
http://www.arniesairsoft.co.uk/forums/index.php?showtopic=126293if you've little or no experience messing around with gearbox's, the pgc style gearbox is a good one to start with, the quick spring release feature allows you to remove the spring before opening the gearbox making it much easier to open
Meh, never been afraid to tear something apart, not going to start now.also, because the motor is mounted into the gearbox, you can test fire it without having to install it back in the gun first
Should be interesting, since I seems I'm going to need to whip out the dremel for the motor installation.
Thanks for replying, makes it so much better knowing I'm not blowing away my money for something that won't work.
Do you happen to know if the feed on the mag can handle a much improved ROF?0 -
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ultrafazer wrote: »ok i'm looking to up grade my m249 can any body tell me where i can order an up grade kit from
Ultimately you can't. You used to be able to by pgc gearbox's(type the 249 uses) but they seem to be pretty much sold out. The A&K has pretty good internal parts for a clone. You can get away with just replacing the motor since it has way too much torque for what we need here. And a CA hopup unit.
I tried the fix, but even with it its too hard to adjust the hop-up without breaking the fix.0 -
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Thanks Mr. W
I don't plan to do anything else to it after those upgrades (might as well dive in at the deep end...you'd never know)
I might pick up a second CA box mag from UNCo, just so I get value out of the postage.
<edit> actually I found a video on the takedown of the M249. Seems alright, but I've no sound on this PC.
My confidence is increasing...
Yeah the take down is easy enough (just leave the barrel on to save wear and tear on its locking mech), the M249 gear box is a real joy to open and close again because of the quick release spring - no bits flying out of it! You'll need to remove the spring and remove the trigger/pistol grip if you want to remove the gear box without too much hassle. Anyway shouldn't be too much trouble.
As for the CA box mag (the 1200rd version) it's supposed to be brill, been thinking of getting one or two myself. 0 -
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