BOND ARMS 6 INCH BARREL NO FURTHER A MYSTERY

So I obtained it by itself having a box of .357 rounds they usually let be go back to the selection to take a number of pictures so I'd personally know What to anticipate when firing it.It worked wonderful for a number of months until finally I bought 9mm and 45acp barrels for it. You're supposed to have the ability to swap any of their barrels wit