Body model of a M67 fragmentation grenade. The head can be purchased off eBay as
"U.S. Grenade Head Trip Alarms + Spoons + Pull Rings".
The threads might be different as they vary from trip alarms. Feel free to edit.
Mine has a layer of cauk as i was experimenting with smoothness and spray painted.
The author marked this model as their own original creation. Imported from Thingiverse.