.45-70 boxes hold 18 instead of 12 (#3333)

## About The Pull Request

Doubles the amount of rounds in .45-70

## Why It's Good For The Game

Beacon takes the cake for The Worst Ammo Efficiency In The Game By Far
(500 credits for 12 bullets, you are Shooting 40 Credits Each Shot, the
equivalent of shooting half a Plasteel Sheet each shot)

## Changelog

:cl:
balance: .45-70 boxes increased from 12 to 18
/:cl:

code/modules/projectiles/boxes_magazines/ammo_boxes.dm

@@ -55,24 +55,24 @@
 	desc = "A box of top grade .45-70 ammo. These rounds do significant damage with average performance against armor."
 	icon_state = "4570"
 	ammo_type = /obj/item/ammo_casing/a4570
-	max_ammo = 12
+	max_ammo = 18
 
 /obj/item/ammo_box/a4570/match
 	name = "ammo box (.45-70 match)"
-	desc = "A 12-round ammo box for .45-70 revolvers. These match rounds travel faster, perform better against armor, and can ricochet off targets."
+	desc = "A 18-round ammo box for .45-70 revolvers. These match rounds travel faster, perform better against armor, and can ricochet off targets."
 	icon_state = "4570-match"
 	ammo_type = /obj/item/ammo_casing/a4570/match
 
 
 /obj/item/ammo_box/a4570/hp
 	name = "ammo box (.45-70 hollow point)"
-	desc = "A 12-round ammo box for .45-70 revolvers. These hollow point rounds do legendary damage against soft targets, but are nearly ineffective against armored ones."
+	desc = "A 18-round ammo box for .45-70 revolvers. These hollow point rounds do legendary damage against soft targets, but are nearly ineffective against armored ones."
 	icon_state = "4570-hp"
 	ammo_type = /obj/item/ammo_casing/a4570/hp
 
 /obj/item/ammo_box/a4570/explosive
 	name = "ammo box (.45-70 explosive)"
-	desc = "A 12-round ammo box for .45-70 revolvers. These explosive rounds contain a small explosive charge that detonates on impact, creating large wounds and potentially removing limbs."
+	desc = "A 18-round ammo box for .45-70 revolvers. These explosive rounds contain a small explosive charge that detonates on impact, creating large wounds and potentially removing limbs."
 	icon_state = "4570-explosive"
 	ammo_type = /obj/item/ammo_casing/a4570/explosive