>>1139724Depends on state law which you should look up or ask about on gun forums and then find the actual text online. No judge will accept a plea of 4chan said it's OK.
They are nicely assembled but you can just buy complete, fired practice grenade fuses then drill them for primers yourself and make suitable bases for them if you are handy. Cut or twist off the fired fuse from the body if it's still there. A large pistol primer works nicely and primers are cheap.
See prepper sites for a lot more info or use a search engine.
Also paint your toys a bright color, not camo, so you can find them, and put the safety pins on cable or wire so they stay with your alarm and don't vanish in the leaves.