The Ruger AR-556 pistol is one example of an AR pistol made legal by this declaration. The AR-556 has a barrel length of just 10.5 inches and an overall length of 25.3 to 27.9 inches. It is 7.2 ...

Ruger’s AR-556 pistol, a short-barreled AR-15 designed for one or two-handed operation, delivers rifle-level performance in a pistol-sized configuration.