G&P M4 WOC "Fighting Cat" GBB Airsoft Gas Blowback Rifle Challenge Kit (M4A1)

3.2 stars, based on 6 reviews


ID: 39911 (Kit-GP-WOK001-WP127-L)
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6 Customer Reviews

by Katelyn H. on 09/22/2016
"This is really a awesome replica, after installing a npas in the bolt and fielding it at my local cqb arena I am pretty happy with it. Honestly the magpul mags are the better option as stated in other parts of this site and on the net. The fill valve in the stanag style magazine are the TM style valves that allow gas to spill out as your filling it so they cannot over fill, this is awesome when you have a japanese airsoft gun like a tm or a wa. Here though the system is a little lack luster and causes leaks, that is a different issue seeing as this is the kit and no magazine is included so I digress, Once I got done scratching my head and swearing at the instructions for telling me to put the full auto sear in after the fire selector (watch johnjayrambo on youtube he has a video on how to build a lower receiver) the kit went together very quickly and easily. Basically if you can lace your boots and consider yourself semi competent this is going to be pretty straight forward stuff here folks. As soon as I was finished assembling the whole thing I loaded a magazine and let it sit for about 5 minutes, then I slapped it in the carbine with a satisfying clickity clack noise that is very reminiscent of handling an actual firearm. The first time I shot it I was extremely pleased that it actually worked, not only did it work it is the coolest airsoft gun I've ever seen or used. G&P's WOC is so much fun to shoot and handle, it is extremely finicky though so expect some experimenting and fine tuning. Definitely not a platform for just anyone though, but once you put it together and get a couple of suckers out with it you will feel like a Jedi master.
by David T. on 08/17/2016
"This is a very realistic and super high quality rifle. However, they weren't kidding when they called this a challenge kit. There are only 21 steps, but almost every single step involved quite a bit of frustration. Some smaller parts needed to be filed down to fit property. The instruction was a photo copy of a photo copy, so the resolution was terrible. There was not much writing in the instruction, only low quality pictures. Double and triple check every step before you put the parts together because the fit is extremely tight, and it will be a pain to undo some parts to correct your mistakes. But once this gun is assembled, it is absolutely amazing. The realism is the best in the business. Everything is metal. The recoil is strong, and very loud. This gun comes with a steel barrel tip as well as a plastic orange one. Do not ever take this out in public without a gun case. Do not fire it in the back yard if you have neighbors around. You are just asking for trouble. I have used both propane and duster gas with great result. The duster gas would be perfect for indoor use as it does not smell, and the velocity is lower. But don't forget to use silicone oil if you are not using green gas. There are some build videos on Youtube that are very helpful, especially one made by a guy name Jedi.
by Alex H. on 09/26/2015
"here is what I've experienced the build kit is nice and easy to understand how to put together if you have basic mechanical skill the exterior is built well I was missing the barrel all together but I called evike and they had it shipped to me Pronto so good service evike thanks now back to the gun it has a break in period once assembled so don't get butt hurt if it doesn't run like you want but once I broke it in I went to the nearest field and really put it through its paces. The stock bolt and bolt catch were worn out after play, the mag catch broke and extensive wear on the trigger group parts. Now keep in mind this is a build kit so if it's not perfect replace parts, there are parts that I would get that are made out of steel are the bolt, bolt catch, mag catch, ( trigger group eventually) buffer lock.

Good base for a butt kicking custom build
Teaches you (know your rifle)!

Patience lots of patience
Break in period
Lots of tweaking
major operating parts need to be replaced with steel aftermarket parts
Not skirmishable right after being put together (BREAK IT IN!)
G&P M4 WOC Fighting Cat GBB Airsoft Gas Blowback Rifle Challenge Kit (M4A1)
G&P M4 WOC "Fighting Cat" GBB Airsoft Gas Blowback Rifle Challenge Kit (M4A1)

This is the ultimate in DIY Challenge Kits from G&P. This Evike.com Exclusive kit comes with everything you need besides the magazine to make a fully functional G&P M4 WOC Full Metal GBB. Your opportunity to own a high quality G&P GBB M4 at a fraction of the normal price.

Update: This G&P M4 WOC Kit comes with the newly designed nozzle more efficient system as you will see. The manual still shows the old type nozzle but the kit will come with the new type!

What comes with this kit?
The G&P M4A1 Challenge Kit comes with all of the internal parts necessary including the Blowback System parts, Hopup System Parts, Barrel Assembly Parts, Receiver, Foregrip, Front and Rear Sights, Buffer Tube and Stock System.

Will I need to assemble anything?
The G&P Challenge kit is meant a Do-It-Yourself kit for highly experienced players and comes completely disassembled. You will need a solid grasp on the inner and outer parts of Western Arms style M4 GBB's to be able to complete this kit.
Evike.com will not be responsible for any mishandling, damage, or other issues caused by the purchaser's inexperience or lack of knowledge on building this kit.

Compatibility: The G&P M4 GBB Challenge Kit is Western Arms compatible and can be used with Western Arms upgrade parts. Keep in mind, like any aftermarket parts, some modification may be required.

Does it come with a Magazine?
No, the G&P M4 GBB Challenge kit does not include a magazine. Thus G&P is able to export this item to you at great cost without it being "a complete gun" while saving you assembling cost at the same time for those that knows their M4 GBB.

**To comply with US Federal Regulations, all kits will come with a blaze orange muzzle device permanently affixed to the outer barrel.

G&P magazines available here at Evike.com

Disclaimer: The supplied manual includes instructions on installation of the outdated Nozzle design. The updated Nozzle has been illustrated below.

*G&P Challenge kit does not come assembled and does not include a magazine

*Magpul CTR Stock, Magpul PMAG, Vertical Grip, Surefire Mock Silencer, RIS, and Sling Adapter not included

About G&P

Established in 1995, G&P is among the oldest Military-simulation and training Airsoft manufacturers in the world. Started as a top combat light provider for law enforcement and military agencies around the world, G&P branched into Airsoft manufacturing with the same belief to never sacrifice quality for lower price. Their motto is visible on every G&P product. Every G&P AEG rifle is hand assembled and individually fine-tuned by top technicians in the industry to match G&P's unparalleled quality and reputation. G&P utilizes CNC precision machining and real-steel finish/coating processes on many of their products.

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