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Fkirons rpg click grips

Has anyone tried the newer fkirons rpg click grips yet? I ordered a spectra edge x today, as well as one of the standard cartridge grips after using one my boss picked up.
And i see the benefits of the new click grips, however they're like 200$ (canada) compared to 115$ and im not opposed to spending more, im just wondering if its a sturdy grip as its 4 pieces, what people's first impressions were.
Anything even outside opinion would be welcomed, thanks folks.