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What is the perfect VSR stock?

2282 Views 44 Replies 9 Participants Last post by  Masada
Pretty simple question, complicated to answer. What's the perfect VSR stock? Does one even exist? I'm curious as to everyone's opinion on stocks as I'm not sure there's a "perfect" stock for the VSR. What's y'alls favorite out of the all the mass-produced and custom ones out there?

And now for the hard part: if you had to list out the features of YOUR perfect VSR stock, what would that include?
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I've got just the UGS reg, with both the TM and AR adapters.

What do you need?
Yes , I have a polarstar stock (with adapter) for the 13ci tank setup using a UGS. I don't have a regulator or tank b/c I was happy with the 12g setup. I have not gone into HPA anymore than the Kythera at the present time.

What measurements do you need?

BroHay
I've got just the UGS reg, with both the TM and AR adapters.

What do you need?
Basically every dimension in front of the buffer tube threads (for both designs if possible). Trying to get the air tube section to fit through the rear of the stock. And on the type 1 (the one mean for milspec receivers) how does the air line attach? Is it just a press in or does it lock in there somehow?

Edit: the ID of their air tube would be good too.
I’ve had type 1 and type 2, it’s basically the length of the nipple or face that the air line sits in. The main issue will be making sure the line stays in place. I honestly hate the design of the cgs/ugs regs. The line sits in them with 2 o rings. No fitting, no qd collar. It sits in the reg and is held there by the pressure of the line from the engine. Not air pressure, the tension of the line. So the line has to be the proper length to work. What I did was make a block or collar to sit against the base of the fitting into the cgs/ugs reg. Then it stays in place when you thread the buffer to x depth. I could send you my UGS stock to play around with, I won’t be needing it until I have your stock or an MDT anyways.
If I am reading correctly, yes the line is cut to fit and basically held in place on the UGS by friction. HOWEVER, what the difference may be is that there are washers/nut that hold the regulator in place on the m4 buffer (mil/tm) and the air line is basically held in place with no room to move (unless you remove the UGS from the lower receiver in an M4 build.

If that info is useful, I do haveTM buffer and I can supply that.

Maybe a call to p* and talk to tech support to see if they might have drawings showing id/od as well as any other pertinent info?

Usually someone in Engineering that I have spoken to with other questions regarding Kythera.

Cheers,
Adam
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I’ve had type 1 and type 2, it’s basically the length of the nipple or face that the air line sits in. The main issue will be making sure the line stays in place. I honestly hate the design of the cgs/ugs regs. The line sits in them with 2 o rings. No fitting, no qd collar. It sits in the reg and is held there by the pressure of the line from the engine. Not air pressure, the tension of the line. So the line has to be the proper length to work. What I did was make a block or collar to sit against the base of the fitting into the cgs/ugs reg. Then it stays in place when you thread the buffer to x depth. I could send you my UGS stock to play around with, I won’t be needing it until I have your stock or an MDT anyways.
I'd greatly appreciate it if you wanted to let me borrow the stock for a bit. I think the wolverine stock uses a very similar system so should work for both. I'm probably going to have a permanent fitting in the stock that fits inside those extension tubes on the stock, then have a regular nipple on the other end. That way you wont need to worry about keeping tension on the air line to hold it in place.
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