Fixed couple of holster messages typos.

Reworked way isHolster() works.
Fixed bug with detecive revolver, making it impossible to reload.

code/modules/projectiles/gun.dm

@@ -131,20 +131,4 @@
 
 
 /obj/item/weapon/gun/proc/isHandgun()
-	if(istype(src,/obj/item/weapon/gun/projectile/shotgun))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/projectile/automatic))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/energy/lasercannon))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/energy/pulse_rifle))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/energy/ionrifle))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/energy/ionrifle))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/energy/decloner))
-		return 0
-	if(istype(src,/obj/item/weapon/gun/energy/staff))
-		return 0
 	return 1

code/modules/projectiles/guns/energy/laser.dm

@@ -71,6 +71,8 @@ obj/item/weapon/gun/energy/laser/retro
 	origin_tech = "combat=4;materials=3;powerstorage=3"
 	projectile_type = "/obj/item/projectile/beam/heavylaser"
 
+	isHandgun()
+		return 0
 
 /obj/item/weapon/gun/energy/xray
 	name = "xray laser gun"

code/modules/projectiles/guns/energy/pulse.dm

@@ -32,6 +32,8 @@
 				projectile_type = "/obj/item/projectile/beam/pulse"
 		return
 
+	isHandgun()
+		return 0
 
 /obj/item/weapon/gun/energy/pulse_rifle/destroyer
 	name = "pulse destroyer"
@@ -49,4 +51,7 @@
 	icon_state = "m1911-p"
 	cell_type = "/obj/item/weapon/cell/infinite"
 
+	isHandgun()
+		return 1
+
 

code/modules/projectiles/guns/energy/special.dm

@@ -17,6 +17,9 @@
 	else
 		return
 
+	isHandgun()
+		return 0
+
 /obj/item/weapon/gun/energy/decloner
 	name = "biological demolecularisor"
 	desc = "A gun that discharges high amounts of controlled radiation to slowly break a target into component elements."
@@ -26,6 +29,9 @@
 	charge_cost = 100
 	projectile_type = "/obj/item/projectile/energy/declone"
 
+	isHandgun()
+		return 0
+
 obj/item/weapon/gun/energy/staff
 	name = "staff of change"
 	desc = "An artefact that spits bolts of coruscating energy which cause the target's very form to reshape itself"
@@ -62,6 +68,9 @@ obj/item/weapon/gun/energy/staff
 		update_icon()
 		return 1
 
+	isHandgun()
+		return 0
+
 /obj/item/weapon/gun/energy/floragun
 	name = "floral somatoray"
 	desc = "A tool that discharges controlled radiation which induces mutation in plant cells."

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

@@ -8,6 +8,8 @@
 	origin_tech = "combat=4;materials=2"
 	ammo_type = "/obj/item/ammo_casing/c9mm"
 
+	isHandgun()
+		return 0
 
 
 /obj/item/weapon/gun/projectile/automatic/mini_uzi
@@ -20,6 +22,8 @@
 	origin_tech = "combat=5;materials=2;syndicate=8"
 	ammo_type = "/obj/item/ammo_casing/c45"
 
+	isHandgun()
+		return 1
 
 
 /obj/item/weapon/gun/projectile/automatic/c20r

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

@@ -4,7 +4,7 @@
 	icon_state = "detective"
 	caliber = "38"
 	origin_tech = "combat=2;materials=2"
-	ammo_type = "/obj/item/ammo_casing/c38"
+	ammo_type = "/obj/item/ammo_magazine/c38"
 
 /*
 	special_check(var/mob/living/carbon/human/M)

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

@@ -15,6 +15,8 @@
 	var/pumped = 0
 	var/obj/item/ammo_casing/current_shell = null
 
+	isHandgun()
+		return 0
 
 	load_into_chamber()
 		if(in_chamber)