I might consider doing something like this with my CPVC longshot. I just replaced my NF spring with a NF-like industral spring and my bolt sled JUST snapped. Your handle doesn't look sturdy enough, so I'll probably brain storm another way.
Awesome i did this but i wanted a bigger spread so i used a 2 in thredded cap i drilled a 3/4 in hole in the center of it and i use 2 in adaptors and they hold and shoot all Ten yes Ten stefans Here's the link to my video: