Transforming out base plates provides capacities of 26 or 31. To maintain the operational trustworthiness from the short recoil process, the mass in the slide remains similar to while in the Glock 17 from which it is actually derived. Aside from the slide, body, barrel, locking block, recoil spring, tutorial https://www.flurryjournal.com/why-a-professional-cerakote-service-is-essential-for-your-firearm/