They can have bolt bounce concerns like serious machineguns do. There may also be troubles with timing When the "M16" bolt copyright or other sections are somewhat from spec. All challenges that come up on machineguns but are invisible to semi automobile shooters. It might have an extended m16 Slash, https://caidenoevky.atualblog.com/42644906/a-secret-weapon-for-rarebreed-triggers