VM68 pro-shot kit

MadCat · 01-13-2007, 02:07 PM

Hello MCB! I'm looking for a pro-shot kit for the VM-68. I've seen these from time to time on Ebay (ron_asp and his VM horde)...I'm hoping that some of you have a few extras that you're willing to sell

If so, please post here!

thanks

HP_Lovecraft · 01-14-2007, 12:07 AM

You can make one pretty easy. All you need is:

Automag Spring
Some Nickels

1- Remove the old main spring, and guide.
2- Remove the white bumper on the hammer, and replace setscrew with shorter one to keep cocking knob attached.
3- stick automag spring behind the hammer
4- Add enough nickels behind the spring until the tension is correct.
5- Put backplug back, and THAT IS IT.

For SUPER SIMPLE FPS adjustment, just drill/tap a hold into the center of the rear plug, so you can thread a screw through that pushes against the nickels.

VM owners were doing this before the Proshot kit came out. It was easy since automag owners usually changed there bolt spring every year, and were giving away the old ones.

nick

DarkNinja · 01-14-2007, 12:23 AM

I know that on my VM's that that lower plug is already partially threaded, you would just need to drill out that last bit of metal and find a long enough screw.

MadCat · 01-14-2007, 12:26 PM

I've done the automag spring trick before...I had to hone out the valve inlets a little to increase air flow (otherwise the FPS was pretty low).

I've done this on two of my VMs. I have one super minty VM exc that I wanted to "upgrade" with the real pro-shot kit.

Thanks for the replies!

joelrf600r · 01-14-2007, 02:32 PM

PM me and let me know if you want one. I've machined more than a few of these for people. The only current issue is that you can no longer have the long bolt or the upper plug installed as the bolt needs to be removed for the external velocity adjuster to work. I can also port your valve, lighten the hammer, do all sorts of body milling, etc.

--Joel

01-13-2007, 02:07 PM	#1 (permalink)
MadCat The Destroyer Join Date: Apr 2006 Location: Pittsburgh, Pennsylvania (n'at)	VM68 pro-shot kit Hello MCB! I'm looking for a pro-shot kit for the VM-68. I've seen these from time to time on Ebay (ron_asp and his VM horde)...I'm hoping that some of you have a few extras that you're willing to sell If so, please post here! thanks

01-14-2007, 12:23 AM	#3 (permalink)
DarkNinja MCB Member Join Date: Apr 2006	I know that on my VM's that that lower plug is already partially threaded, you would just need to drill out that last bit of metal and find a long enough screw. __________________

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01-14-2007, 12:07 AM	#2 (permalink)
HP_Lovecraft MCB Member Join Date: Aug 2006 Location: Southern Maine	You can make one pretty easy. All you need is: Automag Spring Some Nickels 1- Remove the old main spring, and guide. 2- Remove the white bumper on the hammer, and replace setscrew with shorter one to keep cocking knob attached. 3- stick automag spring behind the hammer 4- Add enough nickels behind the spring until the tension is correct. 5- Put backplug back, and THAT IS IT. For SUPER SIMPLE FPS adjustment, just drill/tap a hold into the center of the rear plug, so you can thread a screw through that pushes against the nickels. VM owners were doing this before the Proshot kit came out. It was easy since automag owners usually changed there bolt spring every year, and were giving away the old ones. nick

01-14-2007, 12:26 PM	#4 (permalink)
MadCat The Destroyer Join Date: Apr 2006 Location: Pittsburgh, Pennsylvania (n'at)	I've done the automag spring trick before...I had to hone out the valve inlets a little to increase air flow (otherwise the FPS was pretty low). I've done this on two of my VMs. I have one super minty VM exc that I wanted to "upgrade" with the real pro-shot kit. Thanks for the replies!

01-14-2007, 02:32 PM	#5 (permalink)
joelrf600r MCB Member Join Date: Apr 2006 Location: Oakland, CA	PM me and let me know if you want one. I've machined more than a few of these for people. The only current issue is that you can no longer have the long bolt or the upper plug installed as the bolt needs to be removed for the external velocity adjuster to work. I can also port your valve, lighten the hammer, do all sorts of body milling, etc. --Joel