This is a modification of the Washbear PM552 to hold 36 .22LR caliber bullets. This design hasn't been tested yet.
This gun is automatic and also has a manual rotating mechanism. Support is not needed for most parts.
This file includes a 22lr cylinder for "stainless steel capillary tube 6mm x 8mm" which is a widely available tube to buy online that can fire 22LR bullets.