Exosuit Modular Internals, The Squeakening

code/modules/projectiles/ammunition/magazines.dm

@@ -88,6 +88,10 @@
 	name = "magazine (.45 AP)"
 	ammo_type = /obj/item/ammo_casing/a45/ap
 
+/obj/item/ammo_magazine/m45/hp
+	name = "magazine (.45 HP)"
+	ammo_type = /obj/item/ammo_casing/a45/hp
+
 /obj/item/ammo_magazine/box/emp/b45
 	name = "ammunition box (.45 haywire)"
 	ammo_type = /obj/item/ammo_casing/a45/emp
@@ -293,6 +297,11 @@
 	name = "top mounted magazine (9mm practice)"
 	ammo_type = /obj/item/ammo_casing/a9mm/practice
 
+/obj/item/ammo_magazine/m9mmt/ap
+	name = "top mounted magazine (9mm armor piercing)"
+	ammo_type = /obj/item/ammo_casing/a9mm/ap
+	matter = list(DEFAULT_WALL_MATERIAL = 1000, MAT_PLASTEEL = 2000)
+
 /obj/item/ammo_magazine/m9mmp90
 	name = "large capacity top mounted magazine (9mm armor-piercing)"
 	icon_state = "p90"

code/modules/projectiles/ammunition/rounds.dm

@@ -131,6 +131,7 @@
 	desc = "A .45 Armor-Piercing bullet casing."
 	icon_state = "r-casing"
 	projectile_type = /obj/item/projectile/bullet/pistol/medium/ap
+	matter = list(DEFAULT_WALL_MATERIAL = 50, MAT_PLASTEEL = 25)
 
 /obj/item/ammo_casing/a45/practice
 	desc = "A .45 practice bullet casing."
@@ -160,6 +161,7 @@
 /obj/item/ammo_casing/a45/hp
 	desc = "A .45 hollow-point bullet casing."
 	projectile_type = /obj/item/projectile/bullet/pistol/medium/hp
+	matter = list(DEFAULT_WALL_MATERIAL = 60, MAT_PLASTIC = 15)
 
 /*
  * 10mm
@@ -246,6 +248,14 @@
 //	projectile_type = /obj/item/projectile/bullet/shotgun/ion
 	matter = list(DEFAULT_WALL_MATERIAL = 360, "uranium" = 240)
 
+/obj/item/ammo_casing/a12g/flechette
+	name = "shotgun flechette"
+	desc = "A 12 gauge flechette cartidge, also known as nailshot."
+	icon_state = "slshell"
+	caliber = "12g"
+	projectile_type = /obj/item/projectile/scatter/flechette
+	matter = list(DEFAULT_WALL_MATERIAL = 360, MAT_PLASTEEL = 100)
+
 /*
  * 7.62mm
  */

code/modules/projectiles/projectile/scatter.dm

@@ -27,6 +27,10 @@
 		/obj/item/projectile/bullet/pellet/shotgun/flak = 3
 		)
 
+/*
+ * Energy
+ */
+
 /obj/item/projectile/scatter/laser
 	damage = 40
 
@@ -61,6 +65,12 @@
 		/obj/item/projectile/bullet/shotgun/ion = 3
 		)
 
+
+/*
+ * Flame
+ */
+
+
 /obj/item/projectile/scatter/flamethrower
 	damage = 5
 	submunition_spread_max = 100
@@ -70,3 +80,19 @@
 	submunitions = list(
 		/obj/item/projectile/bullet/incendiary/flamethrower/tiny = 7
 		)
+
+
+/*
+ * Ballistic
+ */
+
+
+/obj/item/projectile/scatter/flechette
+	damage = 60
+
+	submunition_spread_max = 40
+	submunition_spread_min = 10
+
+	submunitions = list(
+		/obj/item/projectile/bullet/magnetic/flechette/small = 4
+		)