Iron Lungs

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Iron Lungs is a Tier 3 perk in Call of Duty 4: Modern Warfare. It is unlocked at rank 26. It allows the player to hold their breath for 9 heartbeats rather than 5 heartbeats when steadying their aim with a sniper rifle scope. It is especially useful for snipers who prefer to kill their target from range rather than Quickscoping at close range.

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Last edited by Pritstick on 10 June 2011 at 13:25
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