Jinming M4A1 Gen8 Upgraded Gel Blaster - US STOCK

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8th generation of Jinming Gearbox

Full Nylon body

One of the best gel blaster


Upgraded by GBG



The JINMING M4A1 J8 is the upgrade version of the Jinming M4A1 (G8).


The M4A1 gel blaster have been improved by technicians who have many years of experience in the gel blaster industry. 


To offer an already improved gel blaster at the best possible price, the improvements were concatenated on the performance of the product. 

The aesthetics and appearance of this product are similar to the original product.
The difference is on the inside

The gearbox is completely modified:

Here are the parts that have been modified:

  • Metal gear
  • Nylon gearbox
  • Metal gas cylinder
  • Metal rubber
  • Metal piston
  • Upgraded spring
  • Metal barrel
  • Upgraded metal aluminum tube 
  • Upgraded Black King Kong 480 Motor
  • 11.1V Battery + Charger 


In addition to installing the parts, the technician ensures that all the elements work well together.

Once the gearbox is made, a series of tests is carried out and then it is installed in the gel blaster.


In order to satisfy our customers, we offer 2 modes of use.

With the basic spring, the product is reinforced and durable. The installed spring allows for high precision.

With the second spring supplied in the package, the speed is increased, however, this has a slight impact on the accuracy.

The FPS up to 280


We offer you the possibilty to change 



We care about the quality of our products. Every gel blaster upgraded have serial number and products are tested before shipping.

All products are equipped with an additional orange tip and orange tape in order to respect the legislation and the safety of all.

2 springs are included to adjust the product to your liking: Ultra precision or ultra powerful. 



Presentation of M4A1 Gel blaster:

Here are the different parts that make up this gel gun.  
detail of the M4A1

This gel toys offers one of the best quality/price ratio on the market.
It is ideal for beginners. We have recommended it in our article.

this one has:

  • Fire cap
  • Strap buckle
  • Front sight
  • 4 x Rail
  • Sight
  • Bolt
  • Telescopic button
  • Switch mode
  • Trigger
  • Magazine


We will look at these elements in detail.


The most important part of the gel blaster: the gearbox.

The 8th generation of the Jinming gearbox. This gearbox have black nylon material shell.

gearbox nymon M4A1 gel blaster


The M4A1 J8 have a holographic scope

holographic scope M4A1 gel blaster

holographic scope M4A1 J8

M4A1 gen8 have 5 rails of which are on the fishbone.

rail J8

Lot of magazine are available for this toy gun. You can put a drum magazine for example.

mag M4A1 G8

Pull the bolt to open the access to the gearbox.

access gearbox J8

Without function of the barrier rod, the interior has a pressure spring, can be pressed.

J8 window open

What is included in the box of the gel blaster gun Jinming M4A1 GEN8?

included in the M4A1


1 x gel baster JINMING M4A1 Gen8

1 x magazine

1 x grip

1 x battery 11.1V

1 x USB Charger

1 x Packet of gel balls

1 x safety glasses

1 x bottle

How to use this M4A1 toy gun?

Soak the balls in as much water as possible for 4 to 6 hours.

This model uses 7-8 mm gel balls. The optimal size is 7.45 mm.

You can find the perfect gel balls for this model in the shop.

gel balls G8


Charge the battery

Connect the battery to the USB charger. Its 3 pins charger used for this type of battery.

Connect the USB to your computer.

When the LED turn to green, its OK.

usb charger battery J8



Place the battery 

It is necessary to place the battery in the grip.

install the battert J8



 Fill the magazine with gel balls.

fill the mag

 Ready to play with the M4A1 gel blaster!

What is the performance of this gel blaster?

Shooting performance: 240-280 fps

max range of this gun: At least 25M straight and 35M about curve shooting.

Tested with the 2 springs and the 11.1v. 

What is the capacity of the magazine?


The capacity of the magazine is about 200 gel balls.

You can upgrade the capacity with a drum mag. 


is it profitable to buy the J8 upgraded?


We will compare the cost of the parts and the time needed to do the upgrade.


Metal gears: 19usd

Metal gas cylinder: 10usd

Metal piston: 10usd

Upgraded spring: 10usd

Metal barrel: 10usd

Upgraded Black King Kong 480 Motor: 20usd

11.1V Battery + Charger: 20usd

The price is around 99usd. 

Now, you can add the labour of a skilled worker and you exceed the price difference. 


What is the size of the product and the box?


The product is 71 cm long and 30 cm high.

The box measures 65 cm by 34 cm by 7.5 cm

size J8



Please observe the following safety rules: 

- Please follow the rules in your country and state. 
- Gel blasters are toys and should be used as such. 
- They should not be used in public places.
- Use the products with proper equipment and protective eyewear glasses
- Minors may play with the products only if legal guardians allow it. 
- Gel blasters must be transported in their original boxes. 

And more, please read the disclaimer page