Shotgun Blade - Increases melee damage and adds more blood when doing melee moves.
Shotgun High Caliber Barrel - Allows wider projectiles, causing more trauma on impact. Ballistically optimized to retain penetrative power.
Shotgun Shredder Mod - Allows the shotgun pellet to shred through objects.
Shotgun Smart Choke - Servo motors hooked up to adjustable system tighten or loosen pellet spread for maximum accuracy.