bye-bye sticks, come with me if you want to live

code/modules/projectiles/guns/projectile/revolver.dm

@@ -328,7 +328,11 @@
 	name = "double-barreled shotgun"
 	desc = "A true classic."
 	icon_state = "dshotgun"
-	item_state = "shotgun"
+	item_state = "shotgun_db"
+	lefthand_file = 'icons/mob/inhands/64x64_guns_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/64x64_guns_righthand.dmi'
+	inhand_x_dimension = 64
+	inhand_y_dimension = 64
 	w_class = WEIGHT_CLASS_BULKY
 	weapon_weight = WEAPON_HEAVY
 	force = 10
@@ -358,8 +362,10 @@
 		var/obj/item/melee/energy/W = A
 		if(W.active)
 			sawoff(user)
+			item_state = "ishotgun_sawn"
 	if(istype(A, /obj/item/circular_saw) || istype(A, /obj/item/gun/energy/plasmacutter))
 		sawoff(user)
+		item_state = "ishotgun_sawn"
 	else
 		return ..()
 
@@ -389,7 +395,11 @@
 	name = "improvised shotgun"
 	desc = "Essentially a tube that aims shotgun shells."
 	icon_state = "ishotgun"
-	item_state = "shotgun"
+	item_state = "ishotgun"
+	lefthand_file = 'icons/mob/inhands/64x64_guns_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/64x64_guns_righthand.dmi'
+	inhand_x_dimension = 64
+	inhand_y_dimension = 64
 	w_class = WEIGHT_CLASS_BULKY
 	force = 10
 	slot_flags = null
@@ -406,6 +416,7 @@
 		if(C.use(10))
 			slot_flags = SLOT_BACK
 			icon_state = "ishotgunsling"
+			item_state = "ishotgunsling"
 			to_chat(user, "<span class='notice'>You tie the lengths of cable to the shotgun, making a sling.</span>")
 			slung = 1
 			update_icon()
@@ -420,6 +431,7 @@
 	if(slung && (slot_flags & SLOT_BELT) )
 		slung = 0
 		icon_state = "ishotgun-sawn"
+		item_state = "ishotgun_sawn"
 
 /obj/item/gun/projectile/revolver/doublebarrel/improvised/sawoff(mob/user)
 	. = ..()
@@ -436,6 +448,8 @@
 	icon = 'icons/obj/items.dmi'
 	lefthand_file = 'icons/mob/inhands/items_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/items_righthand.dmi'
+	inhand_x_dimension = 32
+	inhand_y_dimension = 32
 	icon_state = "cane"
 	item_state = "stick"
 	sawn_state = SAWN_OFF

code/modules/projectiles/guns/projectile/shotgun.dm

@@ -3,6 +3,10 @@
 	desc = "A traditional shotgun with wood furniture and a four-shell capacity underneath."
 	icon_state = "shotgun"
 	item_state = "shotgun"
+	lefthand_file = 'icons/mob/inhands/64x64_guns_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/64x64_guns_righthand.dmi'
+	inhand_x_dimension = 64
+	inhand_y_dimension = 64
 	w_class = WEIGHT_CLASS_BULKY
 	force = 10
 	flags = CONDUCT
@@ -80,6 +84,7 @@
 	name = "riot shotgun"
 	desc = "A sturdy shotgun with a longer magazine and a fixed tactical stock designed for non-lethal riot control."
 	icon_state = "riotshotgun"
+	item_state = "shotgun_riot"
 	mag_type = /obj/item/ammo_box/magazine/internal/shot/riot
 	sawn_desc = "Come with me if you want to live."
 	sawn_state = SAWN_INTACT
@@ -131,7 +136,7 @@
 	desc = sawn_desc
 	w_class = WEIGHT_CLASS_NORMAL
 	current_skin = "riotshotgun-short"
-	item_state = "gun"			//phil235 is it different with different skin?
+	item_state = "shotgun_assault"			//phil235 is it different with different skin?
 	slot_flags &= ~SLOT_BACK    //you can't sling it on your back
 	slot_flags |= SLOT_BELT     //but you can wear it on your belt (poorly concealed under a trenchcoat, ideally)
 	sawn_state = SAWN_OFF
@@ -208,6 +213,10 @@
 	desc = "This piece of junk looks like something that could have been used 700 years ago."
 	icon_state = "moistnugget"
 	item_state = "moistnugget"
+	lefthand_file = 'icons/mob/inhands/guns_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/guns_righthand.dmi'
+	inhand_x_dimension = 32
+	inhand_y_dimension = 32
 	slot_flags = 0 //no SLOT_BACK sprite, alas
 	mag_type = /obj/item/ammo_box/magazine/internal/boltaction
 	fire_sound = 'sound/weapons/gunshots/gunshot_rifle.ogg'
@@ -305,6 +314,7 @@
 	name = "combat shotgun"
 	desc = "A semi automatic shotgun with tactical furniture and a six-shell capacity underneath."
 	icon_state = "cshotgun"
+	item_state = "shotgun_combat"
 	origin_tech = "combat=6"
 	mag_type = /obj/item/ammo_box/magazine/internal/shot/com
 	w_class = WEIGHT_CLASS_HUGE
@@ -315,6 +325,11 @@
 	name = "cycler shotgun"
 	desc = "An advanced shotgun with two separate magazine tubes, allowing you to quickly toggle between ammo types."
 	icon_state = "cycler"
+	inhand_x_dimension = 32
+	inhand_y_dimension = 32
+	lefthand_file = 'icons/mob/inhands/guns_lefthand.dmi'
+	righthand_file = 'icons/mob/inhands/guns_righthand.dmi'
+	item_state = "bulldog"
 	origin_tech = "combat=4;materials=2"
 	mag_type = /obj/item/ammo_box/magazine/internal/shot/tube
 	w_class = WEIGHT_CLASS_HUGE