Airsoft Impact Grenade Toy Gun Ring Caps

An integral part of airsoft wargames are pyros and Blank Firing Grenades aka BFGs. Problem is they are very expensive and highly cherished BFGs ‘disappear’. This design is a cheap 3D printed toy impact grenade using readily available, safe, cheap toy gun 8 shot ring caps as the noise element. There are many other similar designs, however I wanted a simple print friendly design without any support features, minimal print material, time and energy cost printing with single digit parts counts. And