Tanio Koba / KJW M4 GBBR Basic Information and FAQ

LocoYokoPoco · December 16th, 2011, 13:45

This is what 10 hours of dremel work and JB Weld can do:

Looks like shit, but works like a charm

bshantz · December 16th, 2011, 13:56

Nice work Loco, how do you go through so many charging handles?? haha

Saberwing · December 16th, 2011, 14:17

Don't you have exams to study for Ian?

LocoYokoPoco · December 16th, 2011, 16:30

Quote:

Originally Posted by bshantz

Nice work Loco, how do you go through so many charging handles?? haha

I don't go easy on my charging handles :P

Quote:

Originally Posted by Saberwing

Don't you have exams to study for Ian?

Done

beanie · December 21st, 2011, 10:39

Will the gun be likely to break if I steel BB's instead of plastic? My inner barrel is a steel 6.03mm.

LocoYokoPoco · December 21st, 2011, 11:24

Quote:

Originally Posted by beanie

Will the gun be likely to break if I steel BB's instead of plastic? My inner barrel is a steel 6.03mm.

I wouldn't suggest it, as it could damage your barrel or break your loading nozzle.

manbearpig · December 23rd, 2011, 12:53

Its my understanding that the buffer tube diameter of the kjw m4 is rather small. A commercial stock would have considrable wobble although a mil spec buffer tube has a smaller diamater than a commercial tube, therefore wont a mil spec stock fit relativley well on the kjw buffer tube?

Im thinking of getting a Magpul CTR mil-spec stock. Has anyone used this?

Many Thanks

Ivanov · December 30th, 2011, 13:09

Hey guys, are there any Canadian retailers with the complete V2 gun yet? I need to replace mine. Some how the fitting where the stock meets the reviever exploded.

Eeyore · December 30th, 2011, 13:15

Quote:

Originally Posted by Ivanov

Hey guys, are there any Canadian retailers with the complete V2 gun yet? I need to replace mine. Some how the fitting where the stock meets the reviever exploded.

pm'd

baker_Jeff · December 30th, 2011, 13:32

Quote:

Originally Posted by Ivanov

Hey guys, are there any Canadian retailers with the complete V2 gun yet? I need to replace mine. Some how the fitting where the stock meets the reviever exploded.

Most of us selling the full metal KJW are the V2s. We will have ours in stock in a few weeks, I'm guessing Eeyore has them now, so buy buy buy!

White_knight · January 6th, 2012, 18:24

so heres a question for you gents. i was having trouble with my selector switch today, and decided since i was busting out my tools. i would fix the incorrectly installed auto sear. when i bought the gun i noticed a flat plate (part 56, the auto sear) behind the hammer was horizontal with the barrel instead of vertical like all the pictures ive seen. i never bothered before because the gun fired both in full auto and semi.

cut to a few problems later, i have part 56,and 57 out, so i try the function as is, since it worked before with it improperly installed before. slap in a mag and bam, full auto fine, semi fine. so my question really is what purpose do those two parts serve? i cant seem to figure it out.

fire selector is still not working tho, seems as if the pin is pushing to much into the switch. i dont know what changed since the only thing i did was add a drop of oil.

audi_bhoy · January 10th, 2012, 13:52

Part #56 seems to reset the valve knocker or has something to do with it none the least. #57 is allowing the gun to fire full auto IIRC though, but you said that without it it shall still work both fine?

Here's a link for others to the part # in case you could help better than me

http://www.airsplat.com/Manuals/GR-KJW-M4-CARB-7.jpg

LocoYokoPoco · January 10th, 2012, 17:57

Part 56 is necessary if you want your gun to cycle smoothly. Part 57 is needed for full auto firing.

phen0m · February 7th, 2012, 01:03

Hello all. I just got through all 46 pages and want to thank you for all the advise and ideas. I picked up a v2 cqb kjw and have a few questions. First, I run green gas to power the gun and was wondering if I should leave my mags empty when not in use. And lastly, I am a left handed firer and would love to have an ambi safety for this gun Like my real ar and sr25. Does anybody know of one that would work? Thanks for your help!

audi_bhoy · February 17th, 2012, 14:24

Wow, received my V2 bolt earlier today, it's such a pain to install a cradle in there ! V1 bolts takes 2 minutes to adjust it with barely a plat screwdriver, while for the V2 the spring has to be attached to the screw holding the CVR in place, then place the piston kit into the bolt carrier and replace the pin in the back.

Before getting the cradle velocity reducer in, the bolt chronied at about 440-450.

I'll post once I find out the cradle's spacers value on this bolt!

Edit: I have issues now with the CVR in place, with only the o-ring, no spacers on, the bolt shoots at about 250 fps...! Plus there is various cycling issues, such as multiple shots in semi-auto, and gas venting on the full auto and so on. I'll be searching for more info on this as I don't know what's going on lol !

Eidt 2: Tried with the stock valve and added only the CVR O-Ring, it does shoot 263 very stable (1.5 fps on 3 shots), but it's way too low... I guess I'll have to drill the CVR valve so it allows more gas, like the stock valve... Unless someone has the miracle?

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December 16th, 2011, 13:45	#676
LocoYokoPoco a.k.a. ian209 Trader rating Join Date: May 2009 Location: Calgary, AB, Canada	This is what 10 hours of dremel work and JB Weld can do: Looks like shit, but works like a charm __________________ World record in propane sniffing. Armory -KWA Tavor TAR21 GBBR -TM PX4 w/Detonator Aluminum Slide

December 16th, 2011, 13:56	#677
bshantz Trader rating Join Date: Feb 2010 Location: Calgary	Nice work Loco, how do you go through so many charging handles?? haha __________________ ----- "Weakness of attitude becomes weakness of character."

December 16th, 2011, 14:17	#678
Saberwing Trader rating Join Date: Mar 2007 Location: London, ON	Don't you have exams to study for Ian? __________________ KJW Mk18 MOD1 BLOCK 2 - Well VSR-10 - Les Baer Ultimate Recon

December 21st, 2011, 10:39	#680
beanie Trader rating Join Date: Apr 2011	Will the gun be likely to break if I steel BB's instead of plastic? My inner barrel is a steel 6.03mm.

December 23rd, 2011, 12:53	#682
manbearpig Trader rating Join Date: Nov 2011 Location: Sheffield, England	Magpul CTR mil-spec Its my understanding that the buffer tube diameter of the kjw m4 is rather small. A commercial stock would have considrable wobble although a mil spec buffer tube has a smaller diamater than a commercial tube, therefore wont a mil spec stock fit relativley well on the kjw buffer tube? Im thinking of getting a Magpul CTR mil-spec stock. Has anyone used this? Many Thanks

December 30th, 2011, 13:09	#683
Ivanov Trader rating Join Date: Feb 2010	Hey guys, are there any Canadian retailers with the complete V2 gun yet? I need to replace mine. Some how the fitting where the stock meets the reviever exploded.

January 6th, 2012, 18:24	#686
White_knight Trader rating Join Date: Jul 2006	so heres a question for you gents. i was having trouble with my selector switch today, and decided since i was busting out my tools. i would fix the incorrectly installed auto sear. when i bought the gun i noticed a flat plate (part 56, the auto sear) behind the hammer was horizontal with the barrel instead of vertical like all the pictures ive seen. i never bothered before because the gun fired both in full auto and semi. cut to a few problems later, i have part 56,and 57 out, so i try the function as is, since it worked before with it improperly installed before. slap in a mag and bam, full auto fine, semi fine. so my question really is what purpose do those two parts serve? i cant seem to figure it out. fire selector is still not working tho, seems as if the pin is pushing to much into the switch. i dont know what changed since the only thing i did was add a drop of oil. __________________ Burnaby / Vancouver area Age verifier

January 10th, 2012, 13:52	#687
audi_bhoy Trader rating Join Date: Mar 2009 Location: Trois-Rivières	Part #56 seems to reset the valve knocker or has something to do with it none the least. #57 is allowing the gun to fire full auto IIRC though, but you said that without it it shall still work both fine? Here's a link for others to the part # in case you could help better than me http://www.airsplat.com/Manuals/GR-KJW-M4-CARB-7.jpg

January 10th, 2012, 17:57	#688
LocoYokoPoco a.k.a. ian209 Trader rating Join Date: May 2009 Location: Calgary, AB, Canada	Part 56 is necessary if you want your gun to cycle smoothly. Part 57 is needed for full auto firing. __________________ World record in propane sniffing. Armory -KWA Tavor TAR21 GBBR -TM PX4 w/Detonator Aluminum Slide

February 7th, 2012, 01:03	#689
phen0m Trader rating Join Date: Feb 2012 Location: Wisconsin, USA	Hello all. I just got through all 46 pages and want to thank you for all the advise and ideas. I picked up a v2 cqb kjw and have a few questions. First, I run green gas to power the gun and was wondering if I should leave my mags empty when not in use. And lastly, I am a left handed firer and would love to have an ambi safety for this gun Like my real ar and sr25. Does anybody know of one that would work? Thanks for your help! Last edited by phen0m; February 18th, 2012 at 09:02..

February 17th, 2012, 14:24	#690
audi_bhoy Trader rating Join Date: Mar 2009 Location: Trois-Rivières	Wow, received my V2 bolt earlier today, it's such a pain to install a cradle in there ! V1 bolts takes 2 minutes to adjust it with barely a plat screwdriver, while for the V2 the spring has to be attached to the screw holding the CVR in place, then place the piston kit into the bolt carrier and replace the pin in the back. Before getting the cradle velocity reducer in, the bolt chronied at about 440-450. I'll post once I find out the cradle's spacers value on this bolt! Edit: I have issues now with the CVR in place, with only the o-ring, no spacers on, the bolt shoots at about 250 fps...! Plus there is various cycling issues, such as multiple shots in semi-auto, and gas venting on the full auto and so on. I'll be searching for more info on this as I don't know what's going on lol ! Eidt 2: Tried with the stock valve and added only the CVR O-Ring, it does shoot 263 very stable (1.5 fps on 3 shots), but it's way too low... I guess I'll have to drill the CVR valve so it allows more gas, like the stock valve... Unless someone has the miracle? Last edited by audi_bhoy; February 17th, 2012 at 20:58..

Tanio Koba / KJW M4 GBBR Basic Information and FAQ

Airsoft Guns Discussion