Upgrading /modifying m4

[Aidanc94]

Hi

I was hoping someone could help me.

I have gone and got a ICS & G&G as my main two rifles so I have a very old CYMA colt cqb.
Now I know some people will laugh but the ROF at the time was mint and it was a good AEG especially for a CYMA which surprised me. I am now upgrading the internals.

I need a good hopup unit and rubber if anyone can help on where to get one and which one. V2 gearbox btw.

I am putting a prometheus 110 spring in already with a 6.03 509mm inner barrel.

Also maybe thinking of doing the gears,motor, piston etc.

Thanks

[Mickydoos]

Re: Upgrading /modifying m4

A quick search would reveal these threads already...

http://forums.zeroin.co.uk/showthrea...ght=hop+rubber
http://forums.zeroin.co.uk/showthrea...ght=hop+rubber
http://forums.zeroin.co.uk/showthrea...ght=hop+rubber

A much covered subject mate.

As for where to buy one? Zeroone of course.

Many will recommended keeping the hop up unit itself as its the rubber that does the work. Lots will also recommend the prowin m4 hop.

[Curly68]

Re: Upgrading /modifying m4

Madbull Ultimate 3 in 1 hop with blue rubber is what I used before I discovered the TM fairies that live in recoils!!!