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topazpaintball
03-05-2006, 01:38 PM
Does anyone know the o-ring sizes that the mag needs? I wanna buy some bulk o-rings.

Tunaman
03-05-2006, 02:32 PM
Unless you buy the from Germany, you will be getting the wrong orings. Tell me how many you need and I'll get you a bulk price.

C.J.
06-26-2007, 11:52 AM
Does anyone know the o-ring sizes that the mag needs? I wanna buy some bulk o-rings.

I'd like to know the same thing as I have access to vast quantities of o-rings through my business contacts.

It makes no sense for me to buy a "kit" when I can just go out and make a kit myself.

C.J.
07-11-2007, 02:44 PM
I got my hands on a set of precision digital calipers yesterday.

I've measured every o-ring in the Classic Automag parts kit twice now and matched up which one is for what part of the marker. I've used the same descriptive names for each o-ring as is used in the AGD Classic Valve Exploded View document. http://www.paintball-parts.com/down...ploded_view.pdf

Two of the sizes are very common and I've listed AS568 "dash" sizes for them. For the others I've simply listed my measurements. If/when I find out what common size they are, I'll post back.

My two references so far have been:
The sizing chart at www.paintballorings.com
http://www.paintballorings.com/linked/size.pdf
and http://www.marcorubber.com/sizingchart.htm

CS = radial cross section
ID = inside diameter

Regulator Body o-ring
AS568A-116
CS 2.62±0.08mm
ID 18.72±0.23mm

Power Tube o-ring (3 on marker; 1 in power-tube, 2 in the on/off assembly)
AS568A-010
CS 1.78±0.08mm
ID 6.07±0.13mm

Power Tube tip o-ring
CS 1.64mm
ID 8.12mm

On/off teflon o-ring (2 used in on/off assembly)
CS 1.83mm
ID 2.90mm

Regulator Piston o-ring (measured uninstalled)
CS 1.64mm
ID 9.54mm