Full Auto- MOST OF THE TIME in Semi auto...

KEVORKIAN · May 26th, 2007, 20:07

I recently purchased two NEW CA MP5's from A&A. The problem I am having is that when the fire selector switch is in the semi-auto mode...it fires bursts of full auto ??? I have the MP5 A2 & A3 and both have the exact same problem!!! I am only using one & it seems to be getting worse the more I use it !!! Any suggestions ???? Oh yeah, the trigger when pulled fast will fire a single shot...sometimes !!

? selector plate
? trigger internals?

DYORD · May 27th, 2007, 09:01

possible cause.. excess shimming on the bottom part of the sector gear.. or... the cut of lever broke..

also... if you lose the small spring of the selector plate.

yanhchan · May 27th, 2007, 09:38

How are you pulling the trigger on that gun in semi. Becuase I noticed that with my UTG MP5 it likes to make burst/full auto if i hold it in the half pull posistion while in semi auto. I also have a feeling it may be due to your battery. When I switched to a 7.2V the problem stopped but when I was using a 8.4 it was happening a lot

KEVORKIAN · May 27th, 2007, 10:59

The mechbox has not been opened or touched! I'm using a 9.6v battery but why would this cause it to misfire? My systema mechbox does not do this !!!!

KEVORKIAN · May 28th, 2007, 01:57

I purchased new CA MP5 selector plates from XT in Winnipeg & installed myself!

Misfiring in semi-auto has is now gone!

Installed a Hurricane 120 upgrade kit!
I'm using a 11.1 v Lipo battery from my RC planes & it ROCKS!!!!

Please delete this thread!

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May 26th, 2007, 20:07	#1
KEVORKIAN Trader rating Join Date: Nov 2006 Location: Manitoba	Full Auto- MOST OF THE TIME in Semi auto... I recently purchased two NEW CA MP5's from A&A. The problem I am having is that when the fire selector switch is in the semi-auto mode...it fires bursts of full auto ??? I have the MP5 A2 & A3 and both have the exact same problem!!! I am only using one & it seems to be getting worse the more I use it !!! Any suggestions ???? Oh yeah, the trigger when pulled fast will fire a single shot...sometimes !! ? selector plate ? trigger internals?

May 27th, 2007, 09:01	#2
DYORD Trader rating Join Date: Jan 2007 Location: Philippines	possible cause.. excess shimming on the bottom part of the sector gear.. or... the cut of lever broke.. also... if you lose the small spring of the selector plate. __________________ MORE FPS :banghead:

May 27th, 2007, 09:38	#3
yanhchan Trader rating Join Date: Jun 2005 Location: Scarborough/Richmond Hill ON	How are you pulling the trigger on that gun in semi. Becuase I noticed that with my UTG MP5 it likes to make burst/full auto if i hold it in the half pull posistion while in semi auto. I also have a feeling it may be due to your battery. When I switched to a 7.2V the problem stopped but when I was using a 8.4 it was happening a lot __________________ YANHCHAN'S AIRSMITHING: AEG repair/Tune up/Upgrades V2/V3 mechboxes, rewiring/reconnecting. Ask not what your country can do for you; ask what you can do for your country ~John F. Kennedy

May 27th, 2007, 10:59	#4
KEVORKIAN Trader rating Join Date: Nov 2006 Location: Manitoba	The mechbox has not been opened or touched! I'm using a 9.6v battery but why would this cause it to misfire? My systema mechbox does not do this !!!!

May 28th, 2007, 01:57	#5
KEVORKIAN Trader rating Join Date: Nov 2006 Location: Manitoba	Defective selector plates!!!! I purchased new CA MP5 selector plates from XT in Winnipeg & installed myself! Misfiring in semi-auto has is now gone! Installed a Hurricane 120 upgrade kit! I'm using a 11.1 v Lipo battery from my RC planes & it ROCKS!!!! Please delete this thread!

Full Auto- MOST OF THE TIME in Semi auto...

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