Ah, undestood. The hydration hose is just simply a hydration hose then. Got on the wrong track when somebody else mentioned the hose cover...

Just to throw in my 2 cents. I'm not a big fan of the reliability of a Gas System versus an electric one. I've never owned a GBB rifle but I've owned several handguns including a full auto Glock.

The cool down factor is a big one and the only way I can see getting around it is to have a LOT of mags. Then you could allow used mags plenty of time to regain their heat. Sticking them next to your man-purse accelerates the process but makes running difficult.

Well, his has an external tank, so it won't be a problem. And the gas system is supposedly much more durable then most handgun GBBs.

Its probably more reliable then an AEG actually... especially underwater ;)

You've never heard of Classic airsoft have you?

what happens when you run out of gas in the external tank?
you would need extra backup tanks, one large main tank to refill the smaller one, or a compressor.

i think Tonio Koba is heading in the right dirrection with the gas in the mags.
each mag should have more then enough gas to shoot 30 rounds+ blowback.
if made to be powered by CO2, then you'd have no problems playing at paintball fields since they have plenty of CO2 tanks to refill your mags.

sure the mags would be more expencive, but the rifle it self would be cheaper (at least it should be) since it wont have that complex sewing machine running on the inside needing constant maintenance just to keep it running.

CO2 is fairly cheap, batteries-pistons-springs-gears-motors-wires, all that crap can be expencive, and i think its impractical to have all of that just for the simple operation of shooting a BB down a tube.
keep it simple and it'll be reliable. make it complex, it'll be expencive and troublesome.

i'd sell all my AEG's for one good GBB rifle.

Tanio Koba mags use CO2 powerlets from what I hear, non refillable... I could be wrong.

There is another company (on youtube) that made pretty much the same gun, except it takes propane.

And those CO2 cartridges get expensive real fast if you have a itchy trigger finger.

Ok, I gotta give you gas guns guys props. A guy at the game on Saturday had a gas gun and it was amazing messing around with it. Scared the crap out of people when I fired it too.

Well considering I have one 9 oz tank that's lasted for an entire bottle of PHX .28s and STILL has gas in it, I don't really concern myself with running out since it happens about as often as you running out of battery power.

That's certainly one nice benefit! :D

They sound soooo amazing on Full Auto.

Indoor Toytec P90 is insane....

As far as the cooldown problem, as long as there is an external air source it is never a problem. I've used an Escort MP5 in cold weather flawlessly, not one pressure difference. HPA is also a good alternative to co2, but requires more work to refill.

No worries about cool down. I once used my FTC SD3 (now sold to another ASC member) with CO2 in the middle of winter with no frost or issues. Only down side was no hopup for that design.

I was concerned that the fixed hop would be an issue with my SP, and the adjustable hop mod for this gun is not something an amateur would want to attempt.

Both I, and everyone I've shot at long range, can safely attest that the fixed hop in my gun is NOT an issue! :) You should see how well it sails these PHX .28s. Unbelievable.