diff --git a/code/modules/projectiles/ammunition/ballistic/revolver.dm b/code/modules/projectiles/ammunition/ballistic/revolver.dm
index 693b258e3d..c13a3c953d 100644
--- a/code/modules/projectiles/ammunition/ballistic/revolver.dm
+++ b/code/modules/projectiles/ammunition/ballistic/revolver.dm
@@ -14,9 +14,13 @@
 /obj/item/ammo_casing/a357/match
 	name = ".357 match bullet casing"
 	desc = "A .357 bullet casing, manufactured to exceedingly high standards."
-	caliber = "357"
 	projectile_type = /obj/item/projectile/bullet/a357/match
 
+/obj/item/ammo_casing/a357/dumdum
+	name = ".357 DumDum bullet casing"
+	desc = "A .357 bullet casing. Usage of this ammunition will constitute a war crime in your area."
+	projectile_type = /obj/item/projectile/bullet/a357/dumdum
+
 // 7.62x38mmR (Nagant Revolver)
 
 /obj/item/ammo_casing/n762
@@ -68,4 +72,4 @@
 /obj/item/ammo_casing/c38/dumdum
 	name = ".38 DumDum bullet casing"
 	desc = "A .38 DumDum bullet casing."
-	projectile_type = /obj/item/projectile/bullet/c38/dumdum
\ No newline at end of file
+	projectile_type = /obj/item/projectile/bullet/c38/dumdum
diff --git a/code/modules/projectiles/boxes_magazines/ammo_boxes.dm b/code/modules/projectiles/boxes_magazines/ammo_boxes.dm
index 0d9183d1a4..0b00c89c02 100644
--- a/code/modules/projectiles/boxes_magazines/ammo_boxes.dm
+++ b/code/modules/projectiles/boxes_magazines/ammo_boxes.dm
@@ -16,6 +16,11 @@
 	name = "speed loader (.357 AP)"
 	ammo_type = /obj/item/ammo_casing/a357/ap
 
+/obj/item/ammo_box/a357/dumdum
+	name = "speed loader (.357 DumDum)"
+	desc = "Designed to quickly reload revolvers. Usage of these rounds will constitute a war crime in your area."
+	ammo_type = /obj/item/ammo_casing/a357/dumdum
+
 /obj/item/ammo_box/c38
 	name = "speed loader (.38 rubber)"
 	desc = "Designed to quickly reload revolvers."
diff --git a/code/modules/projectiles/projectile/bullets/revolver.dm b/code/modules/projectiles/projectile/bullets/revolver.dm
index 95d43ba1ce..ec3cadc31a 100644
--- a/code/modules/projectiles/projectile/bullets/revolver.dm
+++ b/code/modules/projectiles/projectile/bullets/revolver.dm
@@ -126,4 +126,15 @@
 	ricochet_auto_aim_angle = 50
 	ricochet_auto_aim_range = 6
 	ricochet_incidence_leeway = 80
-	ricochet_decay_chance = 1
\ No newline at end of file
+	ricochet_decay_chance = 1
+
+/obj/item/projectile/bullet/a357/dumdum
+	name = ".357 DumDum bullet" // the warcrime bullet
+	damage = 40
+	armour_penetration = -20
+	wound_bonus = 45
+	bare_wound_bonus = 45
+	sharpness = SHARP_EDGED
+	embedding = list(embed_chance=90, fall_chance=2, jostle_chance=5, ignore_throwspeed_threshold=TRUE, pain_stam_pct=0.4, pain_mult=5, jostle_pain_mult=6, rip_time=10)
+	wound_falloff_tile = -1
+	embed_falloff_tile = -5