.22 Barrel Liner
2x Mechanical Pencil Spring
5/16(8mm) Steel Rod (Barrel Pivot)
3/16 Steel Rod(3/16 Steel Rod)
1/8 drill bit (will be cut)
Striker Springs
6x M3-.50×6 Bolts
2x #8-32×3/8 Hex Head Bolts
3mm thick steel plate minimum size is 20mm x 26mm (mild steel will work for this.)(McMaster-Carr 3mm Steel)
Super Glue/Epoxy