Yes it's the cast Kaane...
The pic below shows the 'real' grip with the cast version alongside..
Just waiting to speak to my machinist about the Ali tubes then get that modified further... then I should be able to get an assembly done soon? don't want you guys going off the idea...
excellent, bruva!! nice to know you have been working on these, ya know, instead of spending all your time dealing with requests from your padawans... thanks for all you do!!