I need to know what is going on

kingbudha · November 7th, 2011, 09:10

So I am not very gun savvy by any means but my gun used too shoot full and semi auto without a problem it is a jg body hk416. I just and I do literally mean Friday night I got a new modify gearbox modify gears and bushings a new TBB new tappet plate and now it grinds and will not shoot full auto at all, it has serious feeding issues with every one of my mags and jams on almost every other shot I am also running an 11.1 20c lipo if anyone could tell me what they think is wrong I would be really grateful, and also the hop up is maxed down and still shooting up with. 25s

Varjeal · November 7th, 2011, 10:48

You have several issues. They can all be solved by contacting a local gun tech and bringing your HK416 to them. The first thing wrong is that you tried to do the work yourself without researching the necessary steps to fitting things together.

In general, your issues range (from what your post sounds like) poorly shimmed (or not at all) gearbox, poor airseal of barrel to hopup, (you did replace the hopup rubber and nub right? right???),poor motor alignment, possible detached or broken selector plate spring or the plate itself, incompatible hopup or improperly assembled/installed, poor gearbox to receiver fitment.

Solution= take it to someone who knows what they're doing and humbly beg them to reassemble it for you.

kingbudha · November 7th, 2011, 12:22

I had it done at a gunships where I purchased the gun I did not do any of this myself

icaris · November 7th, 2011, 12:30

If they did the work, take it back there and they should fix it..

kingbudha · November 7th, 2011, 16:03

i am going to take it back tomorrow, i was just curious as if there is anything else i need to put in there like a sorbo pad or something to make it run smoother and mainly wanted to know what might be wrong so if i get it back and the same thing is happening i will know what it is

Adamlxlx · November 7th, 2011, 19:32

Modify gearbox in JG or any china gun = problems. Try to match brand when upgrading. The inside of your metal body(or plastic) may require some grinding.

kingbudha · November 7th, 2011, 20:00

so essentially the body needs to be replaced?

HKGhost · November 7th, 2011, 20:04

I don't think the body is the issue. It sounds more like parts were just thrown together without making sure they would work. Take it back and tell him to make sure all of the parts are fitted to the gun, and making sure that everything works before returning it. Some "gundocs" doesn't know anything more than slapping parts together and calling it upgraded. Fitting parts together is the most important step.

kingbudha · November 7th, 2011, 20:16

ok well im gunna take it back to him tomorrow and see what he says, if it still has the same problem i will take it elsewhere

kingbudha · November 7th, 2011, 20:19

thank you all for input

kingbudha · November 12th, 2011, 18:01

EDIT: got the gun back after replacing sector gear, the bucking was off and the hopup spring had fallen off, works flawlessly now, SO HAPPY.

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November 7th, 2011, 09:10	#1
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	I need to know what is going on So I am not very gun savvy by any means but my gun used too shoot full and semi auto without a problem it is a jg body hk416. I just and I do literally mean Friday night I got a new modify gearbox modify gears and bushings a new TBB new tappet plate and now it grinds and will not shoot full auto at all, it has serious feeding issues with every one of my mags and jams on almost every other shot I am also running an 11.1 20c lipo if anyone could tell me what they think is wrong I would be really grateful, and also the hop up is maxed down and still shooting up with. 25s

November 7th, 2011, 20:04	#8
HKGhost Trader rating Join Date: Nov 2009 Location: Mississauga, ON	I don't think the body is the issue. It sounds more like parts were just thrown together without making sure they would work. Take it back and tell him to make sure all of the parts are fitted to the gun, and making sure that everything works before returning it. Some "gundocs" doesn't know anything more than slapping parts together and calling it upgraded. Fitting parts together is the most important step. __________________ Please email me as I'm not on ASC too often. Custom Build \| Upgrades \| Repairs \| Maintenance Contact: ghostgunwork@gmail.com / Private Message

November 7th, 2011, 10:48	#2
Varjeal Banned Trader rating Join Date: May 2011 Location: Beaumont, Alberta	You have several issues. They can all be solved by contacting a local gun tech and bringing your HK416 to them. The first thing wrong is that you tried to do the work yourself without researching the necessary steps to fitting things together. In general, your issues range (from what your post sounds like) poorly shimmed (or not at all) gearbox, poor airseal of barrel to hopup, (you did replace the hopup rubber and nub right? right???),poor motor alignment, possible detached or broken selector plate spring or the plate itself, incompatible hopup or improperly assembled/installed, poor gearbox to receiver fitment. Solution= take it to someone who knows what they're doing and humbly beg them to reassemble it for you.

November 7th, 2011, 12:22	#3
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	I had it done at a gunships where I purchased the gun I did not do any of this myself

November 7th, 2011, 16:03	#5
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	i am going to take it back tomorrow, i was just curious as if there is anything else i need to put in there like a sorbo pad or something to make it run smoother and mainly wanted to know what might be wrong so if i get it back and the same thing is happening i will know what it is

November 7th, 2011, 19:32	#6
Adamlxlx Trader rating Join Date: Sep 2007 Location: Guelph	Modify gearbox in JG or any china gun = problems. Try to match brand when upgrading. The inside of your metal body(or plastic) may require some grinding.

November 7th, 2011, 20:00	#7
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	so essentially the body needs to be replaced?

November 7th, 2011, 20:16	#9
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	ok well im gunna take it back to him tomorrow and see what he says, if it still has the same problem i will take it elsewhere

November 7th, 2011, 20:19	#10
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	thank you all for input

November 12th, 2011, 18:01	#11
kingbudha Trader rating Join Date: Jul 2011 Location: flamborough, on	EDIT: got the gun back after replacing sector gear, the bucking was off and the hopup spring had fallen off, works flawlessly now, SO HAPPY.

I need to know what is going on

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