I wanted to get some opinions on this since I really haven't been able to find a good answer. With not being able to get the range as often and the high cost of ammo right now, I purchased a Mantis X3 for my Glock 19 gen 4 that I am using now at home with Tipton Snap Caps to go through some of their drills. It's nice because I can also use the Mantis X3 with live fire when I get out to the range. My question, is there any maintenance (oil/cleaning) that I should be doing? I know its dry fire, but should I still oil it every so often and run a boresnake through it just in case some of the plastice begins to flake off of the snap caps? I've had my 19 for a little over a year, so I'm good with teardown, clean/lube and reassembly it, I'm just trying to get some opinions of some more experienced Glock owners. On the same note, would you recommend using a DryFireMag as opposed to snap caps to reduce the # of times racking the slide and more consistent training? Thanks for your help.