GBB pistol rate of fire quickly slows down

Silverthorn · February 17th, 2012, 16:33

I used to have a plastic TM hi capa 5.1. I never had any problems with it. I could fire 10-12 shots in rapid succession and would still get a decent rate of fire or speed.

When it broke down I was strongly recommended to buy a KJW full metal hi capa 5.1. I have to admit that I am not very impressed. Whenever I shoot very fast with it (like 5-6 BBs one after the other) the speed of the BBs gets very low or the gun has a hard time cycling, the sound changes and it shows and obvious lack of power.

Would this be explained by the extra weight of the metal slide compared to what I was used to with a TM or it's another problem?

Eeyore · February 17th, 2012, 16:44

Partly, it is also because the TM is more gas efficient than the KJ.

Stealth · February 17th, 2012, 17:08

I speculate that KJW valves are higher-flowing than TM valves to support the increased mass of the metal slide. Higher flow = more gas consumption = more rapid mag cooldown. Couple all this with the inferior design of KJW mags, and you have a less than ideal situation.

Padkiller · February 17th, 2012, 17:21

I'd say that if you used CO2 magazines, you wouldn't have any issues like this one!

Silverthorn · February 17th, 2012, 19:48

I use mostly TM mags if it helps.

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February 17th, 2012, 16:33	#1
Silverthorn Trader rating Join Date: Mar 2008 Location: Sainte-Julie, Quebec	GBB pistol rate of fire quickly slows down I used to have a plastic TM hi capa 5.1. I never had any problems with it. I could fire 10-12 shots in rapid succession and would still get a decent rate of fire or speed. When it broke down I was strongly recommended to buy a KJW full metal hi capa 5.1. I have to admit that I am not very impressed. Whenever I shoot very fast with it (like 5-6 BBs one after the other) the speed of the BBs gets very low or the gun has a hard time cycling, the sound changes and it shows and obvious lack of power. Would this be explained by the extra weight of the metal slide compared to what I was used to with a TM or it's another problem? __________________ Team N.A.P.K.I.N.S (Ninjas And Pirates Kommando Infiltration Night-ops Specialists)

February 17th, 2012, 17:21	#4
Padkiller Trader rating Join Date: Nov 2010 Location: In my pants, Quebec!	I'd say that if you used CO2 magazines, you wouldn't have any issues like this one! __________________

February 17th, 2012, 19:48	#5
Silverthorn Trader rating Join Date: Mar 2008 Location: Sainte-Julie, Quebec	I use mostly TM mags if it helps. __________________ Team N.A.P.K.I.N.S (Ninjas And Pirates Kommando Infiltration Night-ops Specialists)

February 17th, 2012, 17:08	#3
Stealth Mr. Silencer Trader rating Join Date: Dec 2001 Location: Toronto	I speculate that KJW valves are higher-flowing than TM valves to support the increased mass of the metal slide. Higher flow = more gas consumption = more rapid mag cooldown. Couple all this with the inferior design of KJW mags, and you have a less than ideal situation.

GBB pistol rate of fire quickly slows down

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