diff --git a/code/modules/organs/internal/brain.dm b/code/modules/organs/internal/brain.dm
index ed5d1212a5597..2f37e2cc92acd 100644
--- a/code/modules/organs/internal/brain.dm
+++ b/code/modules/organs/internal/brain.dm
@@ -205,8 +205,11 @@
 /obj/item/organ/internal/brain/take_internal_damage(damageTaken, silent)
 	set waitfor = 0
 	..()
-	if(damageTaken >= 20 && damage >= (max_damage * 0.5)) //This probably won't be triggered by oxyloss or mercury. Probably.
-		var/damage_secondary = damageTaken * 0.20
+	// SIERRA EDIT
+	..(damage * 2, silent)
+	if(damage / 2 >= 10) //This probably won't be triggered by oxyloss or mercury. Probably.
+		var/damage_secondary = damage / 2 * 0.20
+	// SIERRA EDIT-END
 		if (owner)
 			owner.flash_eyes()
 			owner.eye_blurry += damage_secondary
diff --git a/maps/sierra/structures/closets/security.dm b/maps/sierra/structures/closets/security.dm
index 05c2d02727e68..56d308000898f 100644
--- a/maps/sierra/structures/closets/security.dm
+++ b/maps/sierra/structures/closets/security.dm
@@ -22,9 +22,8 @@
 		/obj/item/device/flash,
 		/obj/item/device/megaphone,
 		/obj/item/melee/baton/loaded,
-		/obj/item/gun/projectile/pistol/sec,
-		/obj/item/ammo_magazine/pistol/rubber,
-		/obj/item/ammo_magazine/pistol,
+		/obj/item/gun/projectile/pistol/hos,
+		/obj/item/ammo_magazine/pistol/hos = 2,
 		/obj/item/melee/telebaton,
 		/obj/item/device/taperecorder,
 		/obj/item/folder/envelope/nuke,
diff --git a/mods/guns/code/projectile.dm b/mods/guns/code/projectile.dm
index d18420db2970a..4d1c3c267c083 100644
--- a/mods/guns/code/projectile.dm
+++ b/mods/guns/code/projectile.dm
@@ -79,3 +79,28 @@
 	..()
 	icon_state = (ammo_magazine)? "nt41" : "nt41-e"
 
+/obj/item/gun/projectile/pistol/hos
+	name = "Kimber Warrior custom"
+	desc = "The old pistol is in good condition, it used to be in service with the armed forces for officers. You can see silver and bronze on it"
+	icon = 'mods/guns/icons/obj/M1911.dmi'
+	icon_state = "standart"
+	caliber = CALIBER_PISTOL_MAGNUM
+	magazine_type = /obj/item/ammo_magazine/pistol/hos
+	allowed_magazines = /obj/item/ammo_magazine/pistol/hos
+	accuracy = -1
+	fire_delay = 5
+	origin_tech = list(TECH_COMBAT = 3, TECH_MATERIAL = 3)
+	fire_sound = 'mods/guns/sounds/pistol_fire.ogg'
+
+/obj/item/ammo_magazine/pistol/hos
+	name = "Kimber magazine"
+	icon = 'mods/guns/icons/obj/ammo_m1911.dmi'
+	icon_state = "m1911"
+	mag_type = MAGAZINE
+	matter = list(MATERIAL_STEEL = 1200)
+	caliber = CALIBER_PISTOL_MAGNUM
+	ammo_type = /obj/item/ammo_casing/pistol/magnum
+	max_ammo = 8
+
+/obj/item/ammo_magazine/pistol/hos/empty
+	initial_ammo = 0
diff --git a/mods/guns/icons/obj/M1911.dmi b/mods/guns/icons/obj/M1911.dmi
new file mode 100644
index 0000000000000..f29e8ab1c9b52
Binary files /dev/null and b/mods/guns/icons/obj/M1911.dmi differ
diff --git a/mods/guns/icons/obj/ammo_m1911.dmi b/mods/guns/icons/obj/ammo_m1911.dmi
new file mode 100644
index 0000000000000..693e8db9a7490
Binary files /dev/null and b/mods/guns/icons/obj/ammo_m1911.dmi differ
diff --git a/mods/guns/sounds/pistol_fire.ogg b/mods/guns/sounds/pistol_fire.ogg
new file mode 100644
index 0000000000000..a808f86907302
Binary files /dev/null and b/mods/guns/sounds/pistol_fire.ogg differ