FX FX Cyclone/Cutlass part

I have an old FX Cutlass that I am putting back together and ran across a nifty little aftermarket part watching an old Ernest Rowe video.
It is called a Hammer Spring adjuster jam plate. Its purpose is to jam the hammer spring adjuster in place. If you dont have one of these you use Locktite and if you have to adjust or remove the adjuster you will ruin it in the process.
So far I am drawing blanks trying to find one.
Anyone here ever heard of or seen one of these?
Any help I could get would be much appreciated.
 
Not sure if it fits the cutlass, but maybe this is it? I use them with the royales.

 
I got one on my Boss but can't remember WHERE I got it! You can just as easily order the regular HS adjustment screw cap from FX & put it behind existing one. Works exactly like brass one.
Edit: got it from Huma but "out of stock" there now. $8. My suggestion will work the same. P/N 11030 on Cyclone diagram (C18 on exploded diagram)
FX Airguns/Support/Drawings/Cyclone
 
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