Should I buy it? I already got m4 and want a gun for Pks. Is it good for it?

AA-12: $60000
Dual: No
Damage: 6
Spread: 0.125
Freeze: 0.3
Fire Rate: 0.2
Reload Freeze: 0.25
Auto: Yes
Clip: 12
Bullets fired: 3
Stacked: No

Bullets fired: 2