The rebound, caused by air pressure from a gap in the stock sends the gun forward into the shooter's stationary finger, which unleashes a volley of shots. The stock rebounds after the recoil from the bullet leaving the barrel.
Takes advantage of inertia by allowing the shooter to keep his or her finger on the trigger. The agency doesn't consider certain modifications, which allow the AR-15 and other weapons to fire multiple rounds automatically, to have turned them into machine guns in the legal sense. The ATF reportedly uses 'stings' to catch such perpetrators.īut here's the catch. If someone is found to have converted a gun into an automatic, the penalty is a $10,000 fine and possible 10-year jail sentence. Unlike older weapons such as the Russian AK-47, which could be made fully automatic by filing or replacing the sear, a catch that holds the hammer or bolt back until the trigger is pulled again, modern guns are difficult to modify, although it can be done. As of 1986, all gun makers producing AR-15s or similar guns can only legally make a fully automatic AR-15 for sale to the police or military.
