Good choice, you won't be disappointed! :tup:

Is the TDC mod painful to adjust?

No, it uses an Allen key to adjust provided that you don't have optics covering the grub screw

So you need to drill a access hole on the top rail? Any pics of this set up?? I would like to try it.

Try this drop test with other AEG or GBBR. Viper Tech wins my vote being the toughest.

https://www.youtube.com/watch?v=M5z7a49Wmzg

But again, the Viper Tech is not perfect.

https://www.youtube.com/watch?v=dIuAa7audxg

+1 on this

I personally do not own one, but Ive shot one at WGC on multiple ocassions as well as a buddy of mine owns one and I gamed it once. Thing shoots amazing.

Long term things i wouldnt know yet but so far as I can tell its a good solid gun

Also another owner of the GK M4 from Raven Wolf. Amazing product, I never thought I would by another M4 till now. Read the fanboys rave reviews about their AK line. It appears they have put the same thoroughness into this gun. Gen 2 mags trump others out there.

Where can I buy a vipertech?

Just sent you a pm

oops. duplicate

I really like my GHK G5!

For some people, metal is the rules. Perso, I feel better with my polymer, easy to use, not heavy at all, kick is awesome and after more than 15 used and over 12 000 bb's, I just had 1 prob, easly fix and free charge by Samoon (GHK).

I didn't tried the new M4 from Samoon, but I'm sure, is cool too!

The GHK G5 looks nice. Could be on my collectors list.

Is the polymer a real polymer, or is a ABS type of plastic?

Hmmm.. curious no one has mentioned the Tippmann M4 Carbine. I know its new and all, but it boasts some serious capabilities. I for one will be giving it a proper look. HPA as well as Mag capable, not mention that you can run regular AEG mags with the HPA set up. Runs the same bolt mechanism as the A5 paintball rig, so it is proven....And the Tippmann guys used a bit of common sense and designed it with most milspec mods out there in mind and minimised proprietary components which is more than I can say for other brands out there. Im actually surprised it hasn't taken over yet......

The Tippman literally just came out and people probably want to give it some time before declaring it to be a top GBBR brand.

It may be great as an HPA platform but that's not really what the OP was asking for was it?

fair point...but I only bring it up because in other threads it seems lots of people are already quite "knowledgeable" about them.....

As for HPA...gas is gas in my book. Its operated by gas and it "blows back" so, yeah...it is the same thing. "Gas Blow Back". Since air is 78% Nitrogen ( a gas) and 20% Oxygen (also a gas), I think its safe to say HPA can be considered gas.....no?