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Old April 9th, 2008, 00:00   #8
ILLusion
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Join Date: Jun 2002
Location: Toronto
I wasn't aware there was more than one kit for the PSG-1.

All of the PSG-1 kits I've installed have been Systema FTK12, which contains the 300% spring.

Correct me if I'm misinformed with an official link.

Official reference:
http://www.systema-engineering.com/E...eproducts.html
Follow: "FTK > PSG-1"
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