I have a fine condition, approx. 12 ga., Needham needlefire double shotgun. I would like to fire it, but do not know how to make the consumable cartridge it uses. Can anyone help with information on making these cartridges ?

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

Last edited by Daryl Hallquist; 06/19/25 11:40 AM.