diff --git a/src/g_doom/a_doomweaps.cpp b/src/g_doom/a_doomweaps.cpp
index e802a6103..c23bd7f1f 100644
--- a/src/g_doom/a_doomweaps.cpp
+++ b/src/g_doom/a_doomweaps.cpp
@@ -16,63 +16,12 @@
 */
 
 void P_SetSafeFlash(AWeapon *weapon, player_t *player, FState *flashstate, int index);
-static FRandom pr_fireshotgun2 ("FireSG2");
 static FRandom pr_fireplasma ("FirePlasma");
 static FRandom pr_firerail ("FireRail");
 static FRandom pr_bfgspray ("BFGSpray");
 static FRandom pr_oldbfg ("OldBFG");
 
 
-//
-// A_FireShotgun2
-//
-DEFINE_ACTION_FUNCTION(AActor, A_FireShotgun2)
-{
-	PARAM_ACTION_PROLOGUE(AActor);
-
-	int 		i;
-	DAngle 	angle;
-	int 		damage;
-	player_t *player;
-
-	if (nullptr == (player = self->player))
-	{
-		return 0;
-	}
-
-	S_Sound (self, CHAN_WEAPON, "weapons/sshotf", 1, ATTN_NORM);
-	AWeapon *weapon = self->player->ReadyWeapon;
-	if (weapon != nullptr && ACTION_CALL_FROM_PSPRITE())
-	{
-		if (!weapon->DepleteAmmo (weapon->bAltFire, true, 2))
-			return 0;
-		P_SetPsprite(player, PSP_FLASH,  weapon->FindState(NAME_Flash), true);
-	}
-	player->mo->PlayAttacking2 ();
-
-
-	DAngle pitch = P_BulletSlope (self);
-		
-	for (i=0 ; i<20 ; i++)
-	{
-		damage = 5*(pr_fireshotgun2()%3+1);
-		angle = self->Angles.Yaw + pr_fireshotgun2.Random2() * (11.25 / 256);
-
-		// Doom adjusts the bullet slope by shifting a random number [-255,255]
-		// left 5 places. At 2048 units away, this means the vertical position
-		// of the shot can deviate as much as 255 units from nominal. So using
-		// some simple trigonometry, that means the vertical angle of the shot
-		// can deviate by as many as ~7.097 degrees or ~84676099 BAMs.
-
-		P_LineAttack (self,
-					  angle,
-					  PLAYERMISSILERANGE,
-					  pitch + pr_fireshotgun2.Random2() * (7.097 / 256), damage,
-					  NAME_Hitscan, NAME_BulletPuff);
-	}
-	return 0;
-}
-
 //
 // A_FireMissile
 //
diff --git a/wadsrc/static/zscript.txt b/wadsrc/static/zscript.txt
index 6832c70f0..e91176433 100644
--- a/wadsrc/static/zscript.txt
+++ b/wadsrc/static/zscript.txt
@@ -51,6 +51,7 @@ zscript/doom/bossbrain.txt
 zscript/doom/weaponfist.txt
 zscript/doom/weaponpistol.txt
 zscript/doom/weaponshotgun.txt
+zscript/doom/weaponssg.txt
 zscript/doom/weaponchaingun.txt
 zscript/doom/weaponchainsaw.txt
 
diff --git a/wadsrc/static/zscript/doom/doomweapons.txt b/wadsrc/static/zscript/doom/doomweapons.txt
index d7eb835ce..55f3f3bcf 100644
--- a/wadsrc/static/zscript/doom/doomweapons.txt
+++ b/wadsrc/static/zscript/doom/doomweapons.txt
@@ -13,61 +13,6 @@ class DoomWeapon : Weapon
 }
 
 
-// --------------------------------------------------------------------------
-//
-// Shotgun
-//
-// --------------------------------------------------------------------------
-
-class SuperShotgun : DoomWeapon
-{
-	Default
-	{
-		Weapon.SelectionOrder 400;
-		Weapon.AmmoUse 2;
-		Weapon.AmmoGive 8;
-		Weapon.AmmoType "Shell";
-		Inventory.PickupMessage "$GOTSHOTGUN2";
-		Obituary "$OB_MPSSHOTGUN";
-		Tag "$TAG_SUPERSHOTGUN";
-	}
-	States
-	{
-	Ready:
-		SHT2 A 1 A_WeaponReady;
-		Loop;
-	Deselect:
-		SHT2 A 1 A_Lower;
-		Loop;
-	Select:
-		SHT2 A 1 A_Raise;
-		Loop;
-	Fire:
-		SHT2 A 3;
-		SHT2 A 7 A_FireShotgun2;
-		SHT2 B 7;
-		SHT2 C 7 A_CheckReload;
-		SHT2 D 7 A_OpenShotgun2;
-		SHT2 E 7;
-		SHT2 F 7 A_LoadShotgun2;
-		SHT2 G 6;
-		SHT2 H 6 A_CloseShotgun2;
-		SHT2 A 5 A_ReFire;
-		Goto Ready;
-	// unused states
-		SHT2 B 7;
-		SHT2 A 3;
-		Goto Deselect;
-	Flash:
-		SHT2 I 4 Bright A_Light1;
-		SHT2 J 3 Bright A_Light2;
-		Goto LightDone;
-	Spawn:
-		SGN2 A -1;
-		Stop;
-	}
-}
-
 // --------------------------------------------------------------------------
 //
 // Rocket launcher
diff --git a/wadsrc/static/zscript/doom/weaponssg.txt b/wadsrc/static/zscript/doom/weaponssg.txt
new file mode 100644
index 000000000..75ac9f09e
--- /dev/null
+++ b/wadsrc/static/zscript/doom/weaponssg.txt
@@ -0,0 +1,116 @@
+// --------------------------------------------------------------------------
+//
+// Super Shotgun
+//
+// --------------------------------------------------------------------------
+
+class SuperShotgun : DoomWeapon
+{
+	Default
+	{
+		Weapon.SelectionOrder 400;
+		Weapon.AmmoUse 2;
+		Weapon.AmmoGive 8;
+		Weapon.AmmoType "Shell";
+		Inventory.PickupMessage "$GOTSHOTGUN2";
+		Obituary "$OB_MPSSHOTGUN";
+		Tag "$TAG_SUPERSHOTGUN";
+	}
+	States
+	{
+	Ready:
+		SHT2 A 1 A_WeaponReady;
+		Loop;
+	Deselect:
+		SHT2 A 1 A_Lower;
+		Loop;
+	Select:
+		SHT2 A 1 A_Raise;
+		Loop;
+	Fire:
+		SHT2 A 3;
+		SHT2 A 7 A_FireShotgun2;
+		SHT2 B 7;
+		SHT2 C 7 A_CheckReload;
+		SHT2 D 7 A_OpenShotgun2;
+		SHT2 E 7;
+		SHT2 F 7 A_LoadShotgun2;
+		SHT2 G 6;
+		SHT2 H 6 A_CloseShotgun2;
+		SHT2 A 5 A_ReFire;
+		Goto Ready;
+	// unused states
+		SHT2 B 7;
+		SHT2 A 3;
+		Goto Deselect;
+	Flash:
+		SHT2 I 4 Bright A_Light1;
+		SHT2 J 3 Bright A_Light2;
+		Goto LightDone;
+	Spawn:
+		SGN2 A -1;
+		Stop;
+	}
+}
+
+
+
+//===========================================================================
+//
+// Code (must be attached to StateProvider)
+//
+//===========================================================================
+
+extend class StateProvider
+{
+	action void A_FireShotgun2()
+	{
+		if (player == null)
+		{
+			return;
+		}
+
+		A_PlaySound ("weapons/sshotf", CHAN_WEAPON);
+		Weapon weap = player.ReadyWeapon;
+		if (weap != null && invoker == weap && stateinfo != null && stateinfo.mStateType == STATE_Psprite)
+		{
+			if (!weap.DepleteAmmo (weap.bAltFire, true, 2))
+				return;
+			
+			player.SetPsprite(PSP_FLASH, weap.FindState('Flash'), true);
+		}
+		player.mo.PlayAttacking2 ();
+
+		double pitch = BulletSlope ();
+			
+		for (int i = 0 ; i < 20 ; i++)
+		{
+			int damage = 5 * random[FireSG2](1, 3);
+			double ang = angle + Random2[FireSG2]() * (11.25 / 256);
+
+			// Doom adjusts the bullet slope by shifting a random number [-255,255]
+			// left 5 places. At 2048 units away, this means the vertical position
+			// of the shot can deviate as much as 255 units from nominal. So using
+			// some simple trigonometry, that means the vertical angle of the shot
+			// can deviate by as many as ~7.097 degrees.
+
+			LineAttack (ang, PLAYERMISSILERANGE, pitch + Random2[FireSG2]() * (7.097 / 256), damage, 'Hitscan', "BulletPuff");
+		}
+	}
+
+
+	action void A_OpenShotgun2() 
+	{ 
+		A_PlaySound("weapons/sshoto", CHAN_WEAPON); 
+	}
+	
+	action void A_LoadShotgun2() 
+	{ 
+		A_PlaySound("weapons/sshotl", CHAN_WEAPON); 
+	}
+	
+	action void A_CloseShotgun2() 
+	{ 
+		A_PlaySound("weapons/sshotc", CHAN_WEAPON); 
+	}
+}
diff --git a/wadsrc/static/zscript/shared/inventory.txt b/wadsrc/static/zscript/shared/inventory.txt
index 67bb840dd..8509001a9 100644
--- a/wadsrc/static/zscript/shared/inventory.txt
+++ b/wadsrc/static/zscript/shared/inventory.txt
@@ -50,11 +50,6 @@ class StateProvider : Inventory native
 	action native void A_WeaponReady(int flags = 0);
 	action native void A_Lower();
 	action native void A_Raise();
-	action native void A_FireShotgun2();
-
-	action void A_OpenShotgun2() { A_PlaySound("weapons/sshoto", CHAN_WEAPON); }
-	action void A_LoadShotgun2() { A_PlaySound("weapons/sshotl", CHAN_WEAPON); }
-	action void A_CloseShotgun2() { A_PlaySound("weapons/sshotc", CHAN_WEAPON); }
 
 	action native void A_FireSTGrenade(class<Actor> grenadetype = "Grenade");
 	action native void A_FireMissile();