How would i make this a tool? (FPS system)

[spydercam500 (Spu)]

So i just got done making my first FPS gun system using @EXM_0 's tutorial

Designing an FPS Framework: Beginner’s guide [PART 2]

Well you guys seemed to like the tutorial so heres a Part 2. ¯\_(ツ)_/¯ (thanks for 33 likes!!!) If you just came, you’ll have to first see the original post to continue else it might get confusing for you, check it out here. Also this tutorial is a bit long might take you a day or two to complete this. (also sorry if it’s a bit complex and confusing for some people, tried explain it as much as I can) Objectives: Recoil, Muzzle flash and sounds Bobble & Swaying Hit detection Bullet replicat…

And im looking to make it into a tool.

How would i accomplish this?