Upgraded weapons/World at War

Trivia

 * All Pack-a-Punched weapons have a certain Pack-a-Punch camouflage scheme. In World at War, the camouflage is a metallic tone.
 * Some Pack-a-Punched weapons have numbers that stand for letters, also known as "leet-speak", a symbolic alphabet that uses a combination of ASCII characters to stand for letters (5 = S, 3 = E, |-| = H, etc.).
 * ".357 Plus 1 K1L-u" is leet for ".357 plus I kill you".
 * "C-3000 b1atch35" is leet for "see 3000 biatches".
 * "FU-A11" in "Barracuda FU-A11" is leet for "fuck you all".
 * "1001 Samurais" is a reference to the weapon's Japanese origin (as Samurais are Japanese fighters) and the popular film "101 Dalmatians".
 * "M1000" refers to the fact that 1000 is commonly called "1 grand". Players often mispronounce "M1 Garand" as "M1 Grand".
 * "Spatz" in "Spatz-447 +" is German for "sparrow".
 * "The Widow Maker" is a phrase that refers to someone or something that kills multiple men, leaving their wives widowed.
 * Some Pack-a-Punched weapons have the number 115 in their name, referring to Ununpentium, also known as Element 115, which was related to the creation of the zombies, teleporters and the Wonder Weapons.