These are our BRAND NEW plastic injected payload carriers, bushings, and lids! They are made using injection molding. They are perfectly consistent and molded perfect. You get 10 cups, 10 bushings, and 10 rounded lids. Choose between 2' or 3' cups with or without fuse. $5 upcharge for fused cups.
Check federal, state and local laws and regulations before constructing any 37mm cartridges. Buyer assumes all risk involved in loading, reloading, constructing and using 37mm cartridges