Some extra steel braided line, just in case

[residentr]

https://www.ebay.com/itm/166987404648?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=NBxl7TjBTfC&sssrc=2047675&ssuid=qQi5AaTdQri&widget_ver=artemis&media=COPY

[Trbo323]

That's actually on purpose. Shows this marker is legit old school

Basically there's so much volume and surface area with the hose like that that it is acting like an expansion chamber. Fairly effective way to keep liquid CO2 out of the marker

Most likely this was run as a vertical bottle setup

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[DocsMachine]

Confirmed. That was absurdly common- in my local groups, hardly anyone that shot a 'Mag didn't have a coil like that.

Here's a pic I took- with a 35mm film camera! closing in on 30 years ago:



Yes, that was a MiniMag with a vertical 20-ounce CO2... in the winter.

Doc.

[Drcemento]

I remember those coil days well! That's actually a really cool mag - a little TLC and its good to go! I dig the OG 16"+ Smart parts barrel to! thereally cool tank - i thought anyway- was the 16oz vertical. might keep an eye on that one, though I need another mag like i need a bad cold.

[gogi19]

...plus if you ever need a new hose to connect your toilet to the shutoff valve you're good to go.

[residentr]

That is actually very cool, a piece of history I didn't know about!

[Trbo323]

What's the pro-flo? At the end of the steel braided line. I thought it was a magic box at first

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[Jsc5150]

Inline filter I believe

[PBGunny]

Correct. It is an inline filter with a replaceable metal disks.
CO2 in the old days wasn't as clean as air is today and these would help keep debris from entering the valve.
It would also somewhat help keep CO2 ice chunks from getting into the valve.
I think the replaceable disks were sintered metal of some sort.
There were lots of tricks/techniques used to keep liquid/solid CO2 from getting into the valve systems.
You always wanted to keep CO2 in gaseous form as much as you could, unless you were shooting something like a Tippmann with a siphon tube or Montneel Z type of markers.