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This is how he does it. This is an exact copy of Mathews post
http://www.czshooters.com/forum/viewtopic.php?t=1310.
I suspect you knew your stock SP0-1 was not legal for IDPA in it's original form when you bought it. I know when I bought my Tanfoglio I looked at the SP0-1 but wanted a gun to shoot in both IPSC and IDPA and I wasn;t prepared to go through what follows.
"I have finally found some time and played around with this. First off, a brief summary of the problem:
The SP-01 is too heavy to shoot in SSP, and since it has a full length dust cover it cannot be shot in ESP. The ESP rule states:
Pistols approved for SSP may also be used in ESP and CDP
depending upon caliber, even if the pistol in question has a fulllength
dust cover. However, should the pistol in question have a
modification that removes it from SSP, it must meet all other
division criteria for ESP or CDP, again depending upon caliber.
The 'modification' (IDPA's way of saying 'feature') in this case is the pistols weight being way over the 39oz limit of SSP with a mag in place. I have found a way around this.
I took a current model 3 slot SP-01 DA/SA and did these things:
1. Replace the stock rubber grips with 75B plastic grips.
2. Replace the slide stop with 75B slide stop.
3. Replace the mainspring plug with a 75B mainspring plug.
4. Replace the flat wound recoil spring with a 75B wire wound spring. You can also use a Wolff spring.
5. Do not use the SP-01 magazine, use the older style 16rd 75B mags with the detents in the bottom of the tube.
With those changes, you are below the 39oz limit with mag in place. You can also do some weight trading and get some more features. For instance you can have the factory remove the firing pin block, then replace the stock sights with CZ-USA Competition sights. There are probably more variations of trading weight, but I know the above works and gets the gun and mag right at 38.9oz.
If anybody needs an IDPA legal SP-01 or the parts to do the conversion, let me know, I can get them."
Take Care
Bob
