Tightened barrel. Reduces projectile spread when aiming down sights at the cost of precision damage.
Balanced barrel. • Slightly increases range and stability • Slightly increases handling speed
Balanced shotgun barrel. • Increases stability • Increases handling speed
Dual strength barrel. • Increases range • Increases stability
Smooth shotgun barrel. Greatly increases range at the cost of more projectile spread.
Ranged shotgun barrel. • Increases range • Greatly decreases handling speed