Game: Modern Warfare 4MW4

Signal 50: Sniper Rifle stats and attachments in MW4

Signal 50 is a sniper rifle in Call of Duty: Modern Warfare 4. It fires 111 RPM from a 7-round magazine with 21 reserve rounds, and it unlocks at Player Level 50. Its Apex Attachment is the Signal Inferno.

Build with Signal 50All sniper rifles

Signal 50 in Modern Warfare 4

Sniper RifleUnlocks at Player Level 50Apex: Signal Inferno

Community-reported

Tier C (ggranked, 1,543 ms) · Tier A (DMZ Radar). Tier lists

3 Multiplayer and 1 DMZ builds from CODMunity, pick rate 0.4%. Popular builds

Official Signal 50 stats

Signal 50 stats from Activision's launch weapon sheet
StatValueRank among sniper rifles
Fire rate111 RPM#1 of 3
Magazine7 rounds#2 of 3
Reserve21 rounds#1 of 3
Total rounds28Derived: magazine plus reserve
Weapon levels74#2 of 3
Unlock levelPlayer Level 50Level cap is 55
Caliber.50 calAs named in Activision weapon text

Damage, time to kill and the in-game Gunsmith bars are not published by Activision, so they are not shown. Community-reported movement, handling and recoil values follow in their own section.

Derived firing numbers

Numbers calculated from the published fire rate and magazine size
NumberValue
Shots per second1.9
Time between shots541 ms
First to last shot of a full magazine3.24 s

These are arithmetic on the published fire rate and magazine size. They ignore reloads, recoil and burst or pump cycling, and they say nothing about damage.

Signal 50 community-reported stats

Community-reportedNothing attached, from CODMunity (read ); community-reported and unverified.

How this is sourced

Movement, handling, recoil and ammo values for the Signal 50 with nothing attached. Activision has not published them, and they are launch data that changes with patches. Fire rate, magazine size and total rounds are Activision's published numbers. Damage and time to kill are not included.

Each attachment below lists its biggest changes as a percentage of the value above, and the changes of everything equipped are multiplied together (the source's rule, not confirmed by Activision). The Apex Attachment is listed with its own changes further down. Where these numbers come from.

Mobility

Movement speed
4.22 m/s
ADS movement speed
1.07 m/s
Sprint speed
5.67 m/s
Tactical sprint speed
6.52 m/s
Crouch movement speed
1.80 m/s
Strafe speed
3.23 m/s
Firing movement speed
2.71 m/s

Handling

ADS speed
590 ms
ADS out speed
494 ms
Sprint to fire speed
283 ms
Reload time
4967 ms
Raise speed
1300 ms
Drop speed
1000 ms

Recoil

Vertical recoil
19.8
Horizontal recoil
8.4
Vertical gun kick
15.6
Horizontal gun kick
3.6
ADS idle sway
0.63°
ADS gun bob
0.10°

Range and bullets

Bullet velocity
600 m/s
Damage rangeAn index: 100 is the weapon's own damage range, and attachments scale it
100%
Bullet penetration
48.0 in

Hip fire and flinch

Hip idle sway
5.40°
Hip gun bob
1.09°
Hip turn sway
30.6°
Flinch received
0.62x

Fire rate and ammo

Fire rateFrom Activision
111 rpm
Magazine sizeFrom Activision
7 rounds
Total roundsRounds carried in total, the loaded magazine includedFrom Activision
28 rounds
Headshot multiplier
2.30x

Attachments change these values. The class builder shows the result for a whole build.

Signal 50 attachments

The Signal 50 accepts 9 attachment types. Gunsmith allows up to 5 standard attachments on one weapon, plus its Apex Attachment.

Community-reported69 attachments listed by community sites, by type below; community-reported and unverified.

How this is sourced

Activision has not published the names or effects of the individual attachments, so there is no official list to check these against. They are grouped by type in Gunsmith order. Where CODMunity lists a stat change for an attachment on this weapon, the biggest changes are printed under it as a percentage of the base value; "No stat change reported" means the source lists none, not that there is none. Where the names come from.

Optic (35)0 with a reported stat change

  • Astaroth .57 11.2x ScopeSniper ScopeNo stat change reported
  • Bruen MaestroSniper ScopeNo stat change reported
  • Bruen THRM-60 Optic2.1x thermal opticNo stat change reported
  • Corio Bisect4x ScopeNo stat change reported
  • Corio D51 ScopeMarksman ScopeNo stat change reported
  • Corvus Avis-0Marksman ScopeNo stat change reported
  • Cronen R8084x ScopeNo stat change reported
  • Expedite 308 DR2Marksman ScopeNo stat change reported
  • FJX 708 PROReflexNo stat change reported
  • GL K2304x ScopeNo stat change reported
  • GW Löwe-55Marksman ScopeNo stat change reported
  • Hanbit 3080 FirelineSniper ScopeNo stat change reported
  • IOTA-DMini reflex opticNo stat change reported
  • KG-7 Vulcan 11.2x ScopeSniper ScopeNo stat change reported
  • KV Corsac HoloHoloNo stat change reported
  • Locus PX3 CantedRifle ScopeNo stat change reported
  • Luca StormwatchMarksman ScopeNo stat change reported
  • RVX9 ThermoRifle ScopeNo stat change reported
  • Schlager 7xRifle ScopeNo stat change reported
  • Schlager BigskySniper ScopeNo stat change reported
  • Schlager Dogfight GIRifle ScopeNo stat change reported
  • Schlager Indigo-RFMarksman ScopeNo stat change reported
  • Schlager Night View Pro4x ScopeNo stat change reported
  • Slimline EliteMini ReflexNo stat change reported
  • SZ CastawaySniper ScopeNo stat change reported
  • SZ Echelon HoloHoloNo stat change reported
  • SZ Helios HoloHoloNo stat change reported
  • SZ Lonewolf Flip4x ScopeNo stat change reported
  • SZ Lonewolf HoloHoloNo stat change reported
  • SZ Micro D-3ReflexNo stat change reported
  • SZ Prima-4 DotLow-profile dot opticNo stat change reported
  • SZ SRE-7ReflexNo stat change reported
  • VLK Rize-40Rifle ScopeNo stat change reported
  • VLK TrimmerReflexNo stat change reported
  • ZLR Type CMini ReflexNo stat change reported

Muzzle (8)7 with a reported stat change

  • BL-A5 CompBalanced Comp
    • Vertical recoil −8% (better)
    • Horizontal recoil −8% (better)
    • ADS speed +2% (worse)
  • Cronen JAB-60BreacherNo stat change reported
  • DS Op-67M FlashFlash Hider
    • Vertical recoil −3% (better)
    • Horizontal recoil −3% (better)
  • FSS DES-Tac70Tactical Silencer
    • ADS speed +3% (worse)
  • FSS HOC-30Heavy Silencer
    • Bullet velocity +16% (better)
    • Damage range +15% (better)
    • Vertical recoil −6% (better)
    • Horizontal recoil −6% (better)
  • FSS MoodkillerLight Silencer
    • Damage range −11% (worse)
  • LM Deadstop-99Horizontal Comp
    • Horizontal recoil −25% (better)
    • ADS speed +2% (worse)
  • TA Honeypot 670Vertical Comp
    • Vertical recoil −13% (better)
    • ADS speed +2% (worse)

Barrel (4)4 with a reported stat change

  • MR50 Tyrant 29"Long Barrel
    • Damage range +25% (better)
    • Bullet velocity +20% (better)
    • ADS speed +11% (worse)
    • ADS movement speed −7% (worse)
  • S50-SB GEN.2 22"Short Barrel
    • Bullet velocity −14% (worse)
    • Damage range −14% (worse)
    • Vertical recoil +10% (worse)
    • Horizontal recoil +10% (worse)
  • TV Guarddog 50CAL 27"Heavy Barrel
    • Vertical recoil −14% (better)
    • Horizontal recoil −14% (better)
    • ADS speed +10% (worse)
    • ADS movement speed −9% (worse)
  • TV Icarus 50 24.5"Light Barrel
    • ADS movement speed +17% (better)
    • Vertical recoil +9% (worse)
    • Horizontal recoil +9% (worse)
    • ADS speed −5% (better)

Underbarrel (7)5 with a reported stat change

  • AA54 V.3 BipodBipodNo stat change reported
  • BipodBipodNo stat change reported
  • FSS BeargripBipod Grip
    • Movement speed +3% (better)
    • ADS speed +3% (worse)
  • FSS Fireline GripAngled grip
    • Pro: Firing stability
    • Con: Aiming speed
    • Vertical recoil −9% (better)
    • Horizontal recoil −9% (better)
    • Sprint to fire speed +5% (worse)
    • ADS speed +3% (worse)
  • FSS TAC90 GripAngled Short Grip
    • ADS idle sway −50% (better)
    • ADS gun bob −50% (better)
  • GW Domi-9Vertical Short Grip
    • Hip idle sway −50% (better)
    • Hip gun bob −40% (better)
  • MIRE-50 Tac GripVertical Grip
    • Movement speed +5% (better)
    • ADS speed +3% (worse)

Magazine (2)2 with a reported stat change

  • 5 Round Mag
    • Magazine size −29% (worse)
    • Reload time −23% (better)
    • ADS movement speed +4% (better)
    • Sprint to fire speed −3% (better)
  • 8 Round Mag
    • Magazine size +14% (better)
    • Reload time +7% (worse)
    • ADS movement speed −1% (worse)
    • ADS speed +1% (worse)

Rear Grip (3)3 with a reported stat change

  • Corvus OP-One v.4Assault Grip
    • Vertical recoil −6% (better)
    • Horizontal recoil −6% (better)
    • Sprint to fire speed +3% (worse)
    • ADS speed +2% (worse)
  • EXP TRIM-54FSkeleton Grip
    • ADS speed −8% (better)
    • Sprint to fire speed −8% (better)
    • Vertical recoil +6% (worse)
    • Horizontal recoil +6% (worse)
  • GL Zero Drop 6Aim Grip
    • Flinch received −60% (better)
    • ADS idle sway −10% (better)
    • Hip idle sway −5% (better)

Stock (3)3 with a reported stat change

  • Cronen SN-PAD50Tactical Stock
    • ADS speed −6% (better)
    • Vertical recoil +5% (worse)
    • Horizontal recoil +5% (worse)
  • EXP T50-S HeavyHeavy Stock
    • ADS movement speed −7% (worse)
  • Lockwood Mobile-1Light Stock
    • ADS movement speed +28% (better)
    • Movement speed +4% (better)
    • Sprint speed +2% (better)

Laser (4)4 with a reported stat change

  • Expedite 21 CFRCanted Laser
    • ADS gun bob +30% (worse)
  • FJX EVR7Flashlight
    • ADS movement speed +5% (better)
    • Movement speed +2% (better)
  • Schlager VISIV-5Laser sight
    • Pro: Sprint-to-fire speed
    • Pro: Aim-down-sight speed
    • Con: Beam is visible to enemies while aiming
    • Sprint to fire speed −17% (better)
    • ADS speed −7% (better)
  • XRK Clutch-LSLaser sight; the beam is not visible to enemies
    • Pro: Aim-down-sight speed
    • ADS speed −4% (better)

Ammunition (3)3 with a reported stat change

  • .50 Cal Armor Piercing
    • Bullet penetration +70% (better)
  • .50 Cal Frangible
    • Bullet penetration −20% (worse)
  • .50 Cal High Velocity
    • Bullet velocity +20% (better)
    • Damage range +6% (better)

Signal Inferno Apex Attachment

Loads .50 cal incendiary rounds for a significant increase in vehicle and killstreak damage.

Unlock
Fully level the Signal 50: 74 weapon levels.
Blocks
Reported stat changes
  • Bullet penetration −100% (worse)
  • Bullet velocity −27% (worse)

Community-reportedCODMunity; unverified.

Slot use
None. Apex Attachments are equipped outside the standard attachment slots.

How to unlock the Signal 50

Reach Player Level 50. Player Level runs from 1 to 55. XP from Multiplayer and DMZ counts toward it, and Warzone XP does from Season 1. The Signal Inferno needs a separate grind: level the Signal 50 itself through all 74 weapon levels.

Frequently asked questions

What is the Signal 50's fire rate in MW4?

111 RPM. That ranks #1 of 3 sniper rifles by fire rate. The magazine holds 7 rounds and the weapon carries 21 in reserve.

When do you unlock the Signal 50 in MW4?

At Player Level 50. Activision's per-weapon sheet lists Player Level 35, but its unlock table and the progression table both say Level 50, so this site uses Level 50.

What does the Signal Inferno Apex Attachment do?

Loads .50 cal incendiary rounds for a significant increase in vehicle and killstreak damage. It blocks Ammunition attachments. It unlocks by fully levelling the Signal 50 (74 weapon levels).

How many attachments can the Signal 50 use?

Up to 5 standard attachments, chosen from 9 attachment types (Optic, Muzzle, Barrel, Underbarrel, Magazine, Rear Grip, Stock, Laser, and Ammunition), plus the Signal Inferno Apex Attachment, which does not use one of the 5 slots.

Which attachments are reported for the Signal 50?

Activision has not published the attachment list, and it says there are more than 500. Community sites report 69 attachments for the Signal 50, community-reported and unverified: 35 optic, 8 muzzle, 4 barrel, 7 underbarrel, 2 magazine, 3 rear grip, 3 stock, 4 laser, and 3 ammunition. The attachments section of this page lists them by type.

Other sniper rifles

Sources: Ready for Launch: All Modern Warfare 4 Operators, Weapons, Equipment, and Multiplayer Create-a-Class Features (October 19, 2026); Ready for Launch: Modern Warfare 4 Progression and Prestige (October 19, 2026). Attachment names, pictures and notes are community-reported; see Data and assumptions. Updated .