Call of Duty 4: Modern Warfare

COD4 M21

Sniper RiflesUnlocked at Level 7Takes camo
Sniper RiflesM21 — Call of Duty 4: Modern Warfare weapon render

How do you unlock the M21?

The M21 unlocks at Level 7 in Call of Duty 4: Modern Warfare. It is a semi-automatic sniper with a 10-round magazine, low recoil and fast follow-up capability. It has one of the narrowest one-shot areas in the sniper class, so measured repeat shots are often necessary. Its stability makes it especially forgiving in Hardcore and for players learning head-level tracking. Its camo track finishes at Red Tiger (150 headshots with this weapon).

UnlockLevel 7
Takes camoYes
Gold camoClass progress counts toward Gold on the Dragunov

Reviewed July 26, 2026. Unlock and challenge requirements were checked against original COD4 multiplayer reference data; loadout and progression advice is editorial. Modern Warfare Remastered uses a different progression system.

How does the M21 play in COD4?

RoleLow-recoil semi-auto sniper
StrengthsLowest recoil among the semi-automatic sniper rifles; Fast follow-up shots and a 10-round magazine recover from misses
TradeoffsSmallest one-shot area among COD4 sniper rifles; Trigger mashing wastes ammunition and pulls shots off target
Useful setupKeep the default scope for stable long-range follow-up shots and breath control; ACOG Scope unlocks at 100 kills and creates a low-recoil close- to medium-range marksman option
Camo tipResist firing at the maximum trigger rate. Settle the scope on the head, fire once, and use the low recoil for one accurate correction if the first shot misses.
Compared withIt is easier to control than the Dragunov but has fewer one-shot body zones; the Dragunov rewards first-shot upper-torso accuracy more.

Every camo, exact unlocks — see the full COD4 camo directory.

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M21 — common questions

What level does the M21 unlock at in COD4?

The M21 unlocks at Level 7 in Call of Duty 4: Modern Warfare multiplayer. The level cap is 55, and prestige is console only (up to 10). PC has none.

How do you unlock camos on the M21?

Camo progress is per-weapon. Every camo-eligible weapon earns Digital (25 headshots), Blue Tiger (75 headshots), Red Tiger (150 headshots) in order — headshots are cumulative, so one grind clears the whole ladder. Shotguns use a reduced ladder: 25 / 50 / 100 headshots. On the M21 the final tier is Red Tiger — 150 headshots with this weapon.

Can you unlock the M21 for me?

Yes — our COD4 Unlock All service covers any prestige 1-10, max level, every weapon, attachment and camo unlocked, plus colored classes (Xbox 360), from $19.99. See the service.

More Sniper Rifles

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Skip the grind

Our COD4 Unlock All service includes any prestige 1-10, max level, every weapon, attachment and camo unlocked, plus colored classes (Xbox 360), from $19.99.

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