Crude .22lr revolvers, most originating from Thailand and Vietnam.
A very crude .22lr zip gun seized in Brazil. The barrel was taken from an automatic pistol.
Previous: Zip guns / improvised firearms – part 4 (South America 2)
A recently seized example of a previously encountered model:
Previous: Homemade submachine guns – part 6 (Brazil / South America 4)
Full article – The IRA’s recoilless improvised grenade launcher