Retaliator Boltsledless parts

Files for my Boltsled-less Retaliator Mod https://www.reddit.com/r/Nerf/comments/990pl7/boltsledless_retaliator_mod/
I believe this is all that is needed as far as 3d print goes but please tell me if something is missing.
requires the main barrel to be dremmeled out and the whole bottom tactical rail to be fully removed to create a hole for the 'pump block' 4 'pump slide rail' pieces are to be glued into the dremmeled barrel to create a smooth slide. major cutting of the dart gate is necessar