A term used for a combat shotgun, comes from the fact that most combat shotguns weigh close to 4 kilograms
"Peace sells, but who's buyin? Who's cryin? Who's tryin? Who's poppin with the 4 pound iron?"

Ill Bill - Peace Sells
by I'mAnonymousLULZ October 21, 2008
5 Words related to 4 pound iron

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