Customized version of https://www.thingiverse.com/thing:3685566

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=3685566

Using the following options:

muzzletoph = 125
muzzlebottomh = 98
muzzlew = 31
muzzleslotroundness = 3
plaquetext = PX4
plaquetextsize = 9
baselength = 52
basewidth = 32
baseangle = 6
baseroundness = 3