What aftermarket parts and shortcomings do you have in mind? We've captured the concerns with potential wear and the fact the 44X slides don't seem to have incorporated any preventative measures commonly found in other .22 LR pistols with aluminum slides.There’ll soon be an influx of companies making aftermarket parts to try and “fix” the shortcomings of the Nelson aftermarket slides.
Look stupid? I can't say I see that, but to each his own.Those Nelson aluminum slides look stupid,
Based on? Weight?won’t function reliably