tutorial how to do it soo les go
step 1 install this https://www.planetminecraft.com/texture-pack/thompson-pack-1-12/ https://www.planetminecraft.com/texture-pack/bedguns-for-armed-bedwars/ www.planetminecraft.com/texture-pack/ww2-texture-pack-4568528/
step 2 download
step 3 put in resource pack folder
step 4 go in world
step 6 get snowball in offhand snowball textured as bullet
step 7 get guns witch are tools
your done!!!!!!!! now you have guns with sounds!!!!!!!
updated version of this www.planetminecraft.com/forums/minecraft/modding/how-to-make-some-guns-no-commands-or-datapacks-or-mods-easy-628211/