yeehaw :)

code/modules/projectiles/boxes_magazines/internal/shotgun.dm

@@ -59,5 +59,5 @@
 /obj/item/ammo_box/magazine/internal/shot/levergun
 	name = "levergun internal magazine"
 	ammo_type = /obj/item/ammo_casing/c38 // they're rubber by default, i guess
-	caliber = ".38"
+	caliber = "38"
 	max_ammo = 7

code/modules/projectiles/guns/ballistic.dm

@@ -8,6 +8,7 @@
 	var/obj/item/ammo_box/magazine/magazine
 	var/casing_ejector = TRUE //whether the gun ejects the chambered casing
 	var/magazine_wording = "magazine"
+	var/sawn_item_state = "gun"
 
 /obj/item/gun/ballistic/Initialize()
 	. = ..()
@@ -198,13 +199,17 @@
 		name = "sawn-off [src.name]"
 		desc = sawn_desc
 		w_class = WEIGHT_CLASS_NORMAL
-		item_state = "gun"
+		item_state = sawn_item_state
 		slot_flags &= ~ITEM_SLOT_BACK	//you can't sling it on your back
 		slot_flags |= ITEM_SLOT_BELT		//but you can wear it on your belt (poorly concealed under a trenchcoat, ideally)
 		sawn_off = TRUE
 		update_icon()
 		return 1
 
+/// is something supposed to happen here?
+/obj/item/gun/ballistic/proc/on_sawoff(mob/user)
+	return
+
 // Sawing guns related proc
 /obj/item/gun/ballistic/proc/blow_up(mob/user)
 	. = 0

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

@@ -12,6 +12,7 @@
 	casing_ejector = FALSE
 	var/recentpump = 0 // to prevent spammage
 	weapon_weight = WEAPON_HEAVY
+	sawn_item_state = "sawedshotgun"
 
 /obj/item/gun/ballistic/shotgun/attackby(obj/item/A, mob/user, params)
 	. = ..()
@@ -343,4 +344,26 @@
 	name = "lever-action rifle"
 	desc = "While lever-actions have been horribly out of date for hundreds of years now, \
 	the reported potential versatility of .38 Special is worth paying attention to."
+	fire_sound = "sound/weapons/revolvershot.ogg"
 	mag_type = /obj/item/ammo_box/magazine/internal/shot/levergun
+	icon_state = "levercarabine"
+	item_state = "leveraction"
+	sawn_item_state = "maresleg"
+
+/obj/item/gun/ballistic/shotgun/leveraction/attackby(obj/item/A, mob/user, params)
+	..()
+	if(A.tool_behaviour == TOOL_SAW || istype(A, /obj/item/gun/energy/plasmacutter))
+		sawoff(user)
+	if(istype(A, /obj/item/melee/transforming/energy))
+		var/obj/item/melee/transforming/energy/W = A
+		if(W.active)
+			sawoff(user)
+
+/obj/item/gun/ballistic/shotgun/leveraction/on_sawoff(mob/user)
+	magazine.max_ammo-- // sawing off drops from 7+1 to 6+1
+
+/obj/item/gun/ballistic/shotgun/leveraction/update_icon_state()
+	if(current_skin)
+		icon_state = "[unique_reskin[current_skin]][sawn_off ? "-sawn" : ""][chambered ? "" : "-e"]"
+	else
+		icon_state = "[initial(icon_state)][sawn_off ? "-sawn" : ""][chambered ? "" : "-e"]"