How Disassembly KSC M4A1 GBBR Hop Up and Inner Barel

Next we going to take a part our inner barel and hop up KSC M4A1 GBBR.
First remove 2 bolt which tight inner barel inside outer barrel. See 2 red arrow.

How Disassembly KSC M4A1 GBBR Outer Barrel and Delta Ring

Actually this part need simple process to disassemble, what you need is specific wrench, delta ring wrench or armour tool. In picture below I used pipe wrench :)

How Open KSC M4A1 GBBR Receiver and Bolt

Push pin marked with red arrow, don't worry it won't loose off. Then lift receiver (green arrow)

How Open KSC M4A1 GBBR Front Sight

Now lets try to open the front sight. You'll need hammer and L-key hex or small screydriver to push which tightly save front sight to outer barrel. Watch the red arrow. To remove gas tube push out pin (show with

How Open KSC M4A1 GBBR Flashider

To remove flashider it's very easy.
See red arrow on the picure? It's where the tiny bold you should remove first (use star screwdriver). Then turn flashider counter clock wise (see green arrow).

How Open KSC M4A1 GBBR Tubular

To disassembly the tubular is very easy. Just pull delta ring (red circle) to red direction, until tubular end part reveal and this two piece tubular will loosen and easily off.

Have you ever had this kind of airsoft gun?

It has ejecting shell, it's spring powered airsoft gun.
I miss this toy, once have this unique toys, my friens can't take hius eyes of my new collection and offer me quite some cash that I cannot refuse.
Now I regret it.

It's UZI Pistol replica, with shell catridge, made by KWC.

Did you see it's ejecting shell?

More!, My early airsoft gun collection.

There some thing wrong with having airsoft gun as your hobby, you almost cannot stop thingking about it.
I wonder is this what a Philatelic feel?
After i collecting beretta, 5-7 and shotgun (all are powered spring), I buy another china made spring:
I buy uzi replica, and my first sniper rifle DE M50.
Here their picture:

The beautiful sniper rifle, bolt action, made in china


Uzi replica, mmmm, yes i know what are you thingking.he3. This also spring powered airsoft gun.


These are my early collection or airsoftgun, all is spring powered. Until now I only keep 1911 and shotgun type :)
I moving to gas powered airsoft gun.
Like I said earlier, "I wonder is this what a Philatelic feel?"

Hi you out there !

I am newbie to airsoft gun,
but wait...., first excuse me for my english, since english is not native language, so any miss type will be excuse right :)

Okay, the reason why I make this blog is to give me freedom how to write and show you all what I know about airsoft gun. I write this blog in english language to make possible get any input from you guys.

First time I fall in love with airsoft gun is in early 2010, I have spring powered airsoft gun, china made.
Beretta, Fn 5-7, then I buy more: 1911 and shotgun

Here's some of their picture:

Shot gun, spring powered,use no magazine, you'll just pour the bb's into its built in container, cock it than shot.




Beretta type, spring powered airsoft gun, had magazine, china made.


Fn 5-7 (Five Seven), spring powered, have magazine with accessories.