Oct 20, 2023 · Mounting a second barrel underneath the original one on an existing firearm won't turn it into a double barrel gun. No kit can do that. There's no mechanism to ...
Oct 21, 2023 · The AO-63 (Автомат АО-63) is a Soviet two-barrel AK derived assault rifle chambered for the 5.45×39mm round. It was designed by Sergei Simonov and Peter ...