So the Umarex Legends M1A1 mag is longer than standard. I want it to be shorter and more accurate (also for a pulse rifle build) This is a Co2 based mag
https://www.justairguns.co.uk/umarex-legends-m1a1-thompson-magazine-black/
In this video he shows how he loads the CO2 gas in at the bottom
https://youtu.be/mQrvitseq-I?si=PUNw9DYf54JgXgSq&t=239
Do you think it's possible to cut say an inch or so off the bottom and still have it function in some way?