You can add an adaptor that will hold an AR buffer tube and it works the same way. I am not a gunsmith but mine has held for years wothout any issues.
It was the easiest and cheapest way to do it and it worked.
I recently bought a Glock 17. The previous owner had install a bunch of Zev internal parts. It was not a complete Zev trigger but the spring kit. I went to the range today and to my dismay when I pull the trigger it double taps everytime. I am not pulling the trigger twice. I can pull.the...