Disabling Full Auto on a M4

i was wondering how to disable full auto on a G&G m4?

Turn the dial to SEMI.

Duhh haha im talking permanently

keep it on semi

You can go about it two ways:

1. Mosfet.
2. Physically modify the selector plate.

Mosfet is probably the best way to go.

Im building a secret gun haha so i can set the mosfet to make it only shoot semi?

Perhaps this?
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Yes like that

Why so sneaky? Lets lift the veil of secrecy. You're building a DMR (Designated Marksmen Rifle). Why else would you disable full auto?
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anyways, good luck with your build.

Haha you got thanks for the help
gimme a couple of months and it will be on the field
i even bought a magpul stock for it saturday haha

Have you read this link yet?
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Yes i Have im doing his hop up mod and then probably systema insides with prometheus 6.01 455 and G&P hop up unit

also if you want to be on the safe side for internals rather than modifing the selector you can glue or weld a bead to the body to not allow the lever to move farther than semi.

Longbow i dont understand? like where should i weld one

On the body of the M-4 , place your selector on semi as your looking down at it, the bead of weld will be place to the left of the selector switch.

Oh i see so it cant slide into full auto i think im gonna do that

Or instead of a bead just put a screw there

Haha funny you said that because its in pieces in my room till i get all the parts and iwas thinking the same thing

I wouldn't weld anything to the lower receiver of M4. The lovely mystery metal alloy is probably cast. When arc heat is applied, bad things happen. If the body is billet Aluminum that has been machined, the heat affected zone would distort due to the wall thickness of the base metal. If you go with 'physical' stop for the semi-switch, look into mechanical or adhesive attachment. BTW I omitted those messy 'gas' welding processes for a reason- they suck.

Yeah im gonna listen to the welder haha idk what ill do yet its all in pieces in my room and i keep looking at the selector plate and dont know which ill do

If you want to do a physical block, try two part epoxy from home depot - the steel kind - it can be shaped and placed and will hold nicely, without all that melting pot metal.

oh i see so like instead of a screw use that to where the selector cant slide to full right?

Think of it as an advanced technique with putty that hardens into a metal like substance.

So you just put that on the lower?

It's a two part putty that is steel reinforced. It can be used for plumbing and the like. Unless you have a thumb that will break the epoxy further, it will make a physical stop. It is permanent, so don't do it wrong.