Replica dummy rounds of many rimfire calibers. Can be used as snap caps with built-in dent allowing room for the firing pin.

All dimensions match SAAMI or CIP specs. Your printer tolerances may be different. 

Two versions, first with AMS/Tool change, second without AMS/Tool change

Current calibers available:

17 HMR
17 Mach 2
17 Win Super Mag
21 Sharp
22 Long
22 Long Rifle
22 Short
22 Win Mag Rim
22 Win Rim

.12mm Layer Height, 3 walls, 50% infill.  Concentric pattern for best finish.