KJW G27 low fps and puff of gas from behind

kar120c · December 27th, 2015, 08:09

I have a KJW G27 upgraded with Guarder Recoil spring and rod, knocker spring.
I have low fps compared with my other pistols and the first shots always a puff of gas come out from the back.

I tried to swap the mag valve with one of a WE mag but nothing change. This valve works well in my WE G19 but in my G27 not.
It seems that my G27 has low knocker strenght but I inspected more times the trigger knocker parts and everything seems ok.
What can I do?

Styrak · December 27th, 2015, 19:56

Sounds like you have a cracked/broken nozzle.

kar120c · December 28th, 2015, 04:42

Quote:

Originally Posted by Styrak

Sounds like you have a cracked/broken nozzle.

Nozzle already checked, it's ok

Styrak · December 28th, 2015, 16:13

It can still be cracked even if it doesn't look like it.

kar120c · December 31st, 2015, 16:16

Nozzle inspected and it is good but swapped with another stock one. the pistol works a little better but it lacks of power.
For me it has a weak valve knocker (already upgraded with guarder spring) or KJW Mag valves are not working properly,
I tried it with my WE G19 magazines but they works randomly in G26, but when they works the shot is more powerful

Styrak · January 2nd, 2016, 03:11

Well the Glock series is the worst of the KJW guns. I've always told people to stay away from them.

kar120c · January 2nd, 2016, 04:53

Quote:

Originally Posted by Styrak

Well the Glock series is the worst of the KJW guns. I've always told people to stay away from them.

I am planning to rebuild it with upgrades. Guarder now sells steel hammer hausing kit that may solve the issue

ox56 · January 4th, 2016, 08:17

With the puff in the back in mind how often to you oil your pistol?

kar120c · January 4th, 2016, 13:52

Quote:

Originally Posted by ox56

With the puff in the back in mind how often to you oil your pistol?

I clean and oil with silicone very often, after 100 bb's fired

ox56 · January 4th, 2016, 14:05

Ah ok i figured id ask because i had a simalar problem happen with my w.e glock 18 and as an attempt to fix it i put a small amount of oil in the top of the slide about 4 drops at most on the inside of the nozzle letting it sink inwards and a bit more on the outside of the same peice only on the back and after sitting for 2 minutes i functioned and as i dry fired the gun the back spray went from almost a quarter of the gas to normal and alot of the power came back as well

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December 27th, 2015, 08:09	#1
kar120c Trader rating Join Date: Jun 2009 Location: La Spezia, Italy	KJW G27 low fps and puff of gas from behind I have a KJW G27 upgraded with Guarder Recoil spring and rod, knocker spring. I have low fps compared with my other pistols and the first shots always a puff of gas come out from the back. I tried to swap the mag valve with one of a WE mag but nothing change. This valve works well in my WE G19 but in my G27 not. It seems that my G27 has low knocker strenght but I inspected more times the trigger knocker parts and everything seems ok. What can I do?

December 27th, 2015, 19:56	#2
Styrak Trader rating Join Date: Jan 2007 Location: Saskatoon, SK	Sounds like you have a cracked/broken nozzle. __________________ Airsoft Sales and Repair/Upgrade Services

December 28th, 2015, 16:13	#4
Styrak Trader rating Join Date: Jan 2007 Location: Saskatoon, SK	It can still be cracked even if it doesn't look like it. __________________ Airsoft Sales and Repair/Upgrade Services

December 31st, 2015, 16:16	#5
kar120c Trader rating Join Date: Jun 2009 Location: La Spezia, Italy	Nozzle inspected and it is good but swapped with another stock one. the pistol works a little better but it lacks of power. For me it has a weak valve knocker (already upgraded with guarder spring) or KJW Mag valves are not working properly, I tried it with my WE G19 magazines but they works randomly in G26, but when they works the shot is more powerful

January 2nd, 2016, 03:11	#6
Styrak Trader rating Join Date: Jan 2007 Location: Saskatoon, SK	Well the Glock series is the worst of the KJW guns. I've always told people to stay away from them. __________________ Airsoft Sales and Repair/Upgrade Services

January 4th, 2016, 08:17	#8
ox56 Trader rating Join Date: Nov 2015 Location: grande prairie alberta	With the puff in the back in mind how often to you oil your pistol?

January 4th, 2016, 14:05	#10
ox56 Trader rating Join Date: Nov 2015 Location: grande prairie alberta	Ah ok i figured id ask because i had a simalar problem happen with my w.e glock 18 and as an attempt to fix it i put a small amount of oil in the top of the slide about 4 drops at most on the inside of the nozzle letting it sink inwards and a bit more on the outside of the same peice only on the back and after sitting for 2 minutes i functioned and as i dry fired the gun the back spray went from almost a quarter of the gas to normal and alot of the power came back as well

KJW G27 low fps and puff of gas from behind

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