diff --git a/code/modules/projectiles/guns/projectile/boltaction.dm b/code/modules/projectiles/guns/projectile/boltaction.dm
index b38ca554e0..cbc403c4e0 100644
--- a/code/modules/projectiles/guns/projectile/boltaction.dm
+++ b/code/modules/projectiles/guns/projectile/boltaction.dm
@@ -2,29 +2,29 @@
 
 /obj/item/weapon/gun/projectile/shotgun/pump/rifle
 	name = "bolt action rifle"
-	desc = "A reproduction of an almost ancient weapon design from the early 20th century. It's still popular among hunters and collectors due to its reliability. Uses 5.56mm rounds."
+	desc = "A reproduction of an almost ancient weapon design from the early 20th century. It's still popular among hunters and collectors due to its reliability. Uses 7.62mm rounds."
 	item_state = "boltaction"
 	icon_state = "boltaction"
 	fire_sound = 'sound/weapons/rifleshot.ogg'
 	max_shells = 5
-	caliber = "a556"
+	caliber = "a762"
 	origin_tech = list(TECH_COMBAT = 1)// Old as shit rifle doesn't have very good tech.
-	ammo_type = /obj/item/ammo_casing/a556
+	ammo_type = /obj/item/ammo_casing/a762
 	load_method = SINGLE_CASING|SPEEDLOADER
 	action_sound = 'sound/weapons/riflebolt.ogg'
 
 /obj/item/weapon/gun/projectile/shotgun/pump/rifle/practice // For target practice
-	desc = "A bolt-action rifle with a lightweight synthetic wood stock, designed for competitive shooting. Comes shipped with practice rounds pre-loaded into the gun. Popular among professional marksmen. Uses 5.56mm rounds."
-	ammo_type = /obj/item/ammo_casing/a556p
+	desc = "A bolt-action rifle with a lightweight synthetic wood stock, designed for competitive shooting. Comes shipped with practice rounds pre-loaded into the gun. Popular among professional marksmen. Uses 7.62mm rounds."
+	ammo_type = /obj/item/ammo_casing/a762p
 
 /obj/item/weapon/gun/projectile/shotgun/pump/rifle/ceremonial
 	name = "ceremonial bolt-action rifle"
 	desc = "A bolt-action rifle with a heavy, high-quality wood stock that has a beautiful finish. Clearly not intended to be used in combat. Uses 5.56mm rounds."
-	ammo_type = /obj/item/ammo_casing/a556/blank
+	ammo_type = /obj/item/ammo_casing/a762/blank
 
 /obj/item/weapon/gun/projectile/shotgun/pump/rifle/mosin
 	name = "\improper Mosin Nagant"
-	desc = "Despite its age, the Mosin Nagant continues to be a favorite weapon among colonists, conscripts, and militias across the cosmos. Most today are built by Chen-Iltchenko Firearms, but it's hard to say who built this particular gun, considering the design has been ripped off by just about every arms manufacturer in the galaxy. Uses 5.56mm rounds."
+	desc = "Despite its age, the Mosin Nagant continues to be a favorite weapon among colonists, conscripts, and militias across the cosmos. Most today are built by Chen-Iltchenko Firearms, but it's hard to say who built this particular gun, considering the design has been ripped off by just about every arms manufacturer in the galaxy. Uses 7.62mm rounds."
 	icon_state = "mosin"
 	item_state = "mosin"