This is a Remington 870
This is a tactical 870
This is a Tactical 870 with adjustable stock and pistol grip
This is an Ar-15
Note they look absolutely nothing alike, unless you’re name is that of noted gun expert. His brother does serve in the British army, as he likes to point out often because it shows Piers’ knowledge of guns, apparently. Piers Morgan either doesn’t know the difference, or he does and just doesn’t give a damn because he already lost his journalistic integrity long ago.