The M4A1 is an assault rifle with a high rate of fire and great accuracy. This weapon is best suited for medium to close range combat. The highly versatile M4 can be customized to make it a long range rifle with high accuracy and range, or it can be modded to turn it into a compact carbine with high mobility and aiming.
| Class | Assault Rifle |
| Unlocked | Level 6 |
| Ammo | 30/60 |
| Fire Mode | Full Auto / Semi Auto |
Attachments
| Lv | Slot | Attachment | Pros | Cons |
|---|---|---|---|---|
| 1. | None | |||
| 2. | Muzzle | Flash Guard | Muzzle Flash Concealment | Bullet Velocity |
| 3. | Optic | Cronen LP945 Mini Reflex | Precision Sight Picture | Aim Down Sight Speed |
| 4. | Underbarrel | Commando Foregrip | Recoil Stabilization, Aiming Stability | Movement Speed |
| 5. | Optic | Corp Combat Holo Sight | Precision Sight Picture | Aim Down Sight Speed |
| 6. | Perk | FMJ | Bullet Penetration | |
| 7. | Optic | Operator Reflex Sight | Precision Sight Picture | Aim Down Sight Speed |
| 8. | Underbarrel | M203 40mm High-explosive | Underbarrel Grenade Launcher | Aim Down Sight Speed, Movement Speed |
| 9. | Barrel | FSS 11.5” Commando | Aim Down Sight Speed Movement Speed | Bullet Velocity, Recoil Control |
| 10. | Muzzle | Breacher Device | Melee Damage | Aim Down Sight Speed, Aim Walking Steadiness |
| 11. | Optic | Scout Combat Optic | 3.25x Zoom | Aim Down Sight Speed |
| 12. | Muzzle | Tactical Suppressor | Sound Suppression | Aim Down Sight Speed, Aim Walking Steadiness |
| 13. | Perk | Sleight of Hand | Reload Quickness | |
| 14. | Underbarrel | M203 40mm Incendiary | Underbarrel Grenade Launcher | Aim Down Sight Speed, Movement Speed |
| 15. | Optic | 4.0x Flip Hybrid | Holo & 4.0x Scout Toggle | Aim Down Sight Speed |
| 16. | Stock | M-16 Stock | Aiming Stability | Aim Walking Movement Speed |
| 17. | Underbarrel | 12-Gauge Deputy | Underbarrel Shotgun | Aim Down Sight Speed |
| 18. | Muzzle | Muzzle Brake | Recoil Stabilization | Aim Down Sight Speed, Aiming Stability |
| 19. | Optic | Aim-Op Reflex Sight | Precision Sight Picture | Aim Down Sight Speed |
| 20. | Underbarrel | Merc Foregrip | Recoil Control, Hip Fire Accuracy | Aim Walking Movement Speed, Aim Down Sight Speed |
| 21. | Perk | Frangible – Wounding | Inflict Wounding Effect | |
| 22. | Rear Grip | Granulated Grip Tape | Aiming Stability, Aim Walking Steadiness | Aim Walking Movement Speed |
| 23. | Optic | APX5 Holographic Sight | Precision Sight Picture | Aim Down Sight Speed |
| 24. | Magazine | 50 Round Mags | Magazine Ammo Capacity | Aim Down Sight Speed, Movement Speed |
| 25. | Underbarrel | M203 40mm Smokescreen | Underbarrel Grenade Launcher | Aim Down Sight Speed, Movement Speed |
| 26. | Perk | Heavy Hitter | Melee Stun Power | |
| 27. | Optic | Integral Hybrid | Reflect and 3.25x Scout Toggle | Aim Down Sight Speed |
| 28. | Stock | Singuard Arms Sniper Pro | Aiming Stability | Aim Walking Movement Speed |
| 29. | Optic | Solozero NVG Enhanced | 3.25x Thermal Target Identification | Aim Down Sight Speed |
| 30. | Laser | 1mW Laser | Hip Fire Accuracy | |
| 31. | Underbarrel | Tactical Foregrip | Aiming Stability | Movement Speed |
| 32. | Perk | Fully Loaded | Max Starting Ammo | |
| 33. | Optic | VLK 3.0x Optic | 3.0x Zoom | Aim Down Sight Speed |
| 34. | Underbarrel | M203 40mm Recon | Underbarrel Grenade Launcher | Aim Down Sight Speed, Movement Speed |
| 35. | Perk | Burst | 3-Round Burst Toggle | |
| 36. | Barrel | Stock M16 Grenadier | Damage Range, Bullet Velocity, Recoil Control | Aim Down Sight Speed, Movement Speed |
| 37. | Muzzle | Lightweight Suppressor | Sound Suppression | Damage Range |
| 38. | Optic | Sniper Scope | 4.4x Zoom Level | Aim Down Sight Speed, Optic Glint Visible to Enemies |
| 39. | Magazine | 60 Round Mags | Magazine Ammo Capacity | Aim Down Sight Speed, Movement Speed |
| 40. | Rear Grip | Rubberized Grip Tape | Recoil Control | Aiming Stability |
| 41. | Laser | 5mW Laser | Hip Fire Accuracy, Sprint to Fire Speed | Laser Visible to Enemies |
| 42. | Perk | Recon | Enemy Nameplate Range | |
| 43. | Muzzle | G28 Compensator | Recoil Control | Aim Down Sight Speed, Aiming Stability |
| 44. | Optic | Viper Reflex Sight | Precision Sight Picture | Aim Down Sight Speed |
| 45. | Perk | Mo’ Money | Headshot XP | |
| 46. | Underbarrel | Bipod | Crouch/Prone Recoil Control | |
| 47. | Optic | G.I. Mini Reflex | Precision Sight Picture | Aim Down Sight Speed |
| 48. | Magazine | 9mm Para 32-Round Mags | Fire Rate, Recoil Control | Damage, Damage Range |
| 49. | Optic | PBX Holo 7 Sight | Precision Sight Picture | Aim Down Sight Speed |
| 50. | Perk | Fast Melee | Melee Quickness | |
| 51. | Optic | Cronen C480 Pro Optic | 3.25x Zoom | Aim Down Sight Speed |
| 52. | Barrel | FSS 14.5” Tac Lite | Aim Down Sight Speed | Bullet Velocity |
| 53. | Stock | No Stock | Movement Speed, Aim Down Sight Speed | Aiming Stability, Recoil Control |
| 54. | Laser | Tac Laser | Aim Down Sight Speed, Aiming Stability, Aim Walking Steadiness | Laser Visible to Enemies |
| 55. | Optic | Monocle Reflex Sight | Precision Sight Picture | Aim Down Sight Speed |
| 56. | Underbarrel | M203 40mm Flash | Underbarrel Grenade Launcher | Aim Down Sight Speed, Movement Speed |
| 57. | Perk | Frangible – Disabling | Crippling Power | |
| 58. | Muzzle | Monolithic Suppressor | Sound Suppression, Damage Range | Aim Down Sight Speed, Aim Walking Steadiness |
| 59. | Barrel | Corvus Custom Marksman | Damage Range, Bullet Velocity, Recoil Control | Aim Down Sight Speed, Movement Speed |
| 60. | Rear Grip | Stippled Grip Tape | Aiming Stability, Aim Walking Steadiness | Aim Walking Movement Speed |
| 61. | Underbarrel | Ranger Foregrip | Recoil Control, Aiming Stability | Aim Walking Movement Speed, Aim Down Sight Speed |
| 62. | Optic | Variable Zoom Scope | 3.0x and 6.1x Magnification Toggle | Aim Down Sight Speed, Optic glint visible to enemies |
| 63. | Magazine | .458 SOCOM 10-Round Mags | Damage, Range | Fire Rate, Recoil Control, Magazine Ammo Capacity |
| 64. | Barrel | FORGE TAC Ultralight | Aim Down Sight Speed | Bullet Velocity |
| 65. | Optic | Canted Hybrid | Reflex and 3.25x Scout Toggle | Aim Down Sight Speed |
| 66. | Optic | Merc Thermal Optic | 3.25x Thermal Target Identification | Aim Down Sight Speed |
| 67. | Underbarrel | M203 40mm Concussive | Underbarrel Grenade Launcher | Aim Down Sight Speed, Movement Speed |
| 68. | Optic | Thermal Hybrid | Reflex and 3.25x Thermal Toggle | Aim Down Sight Speed |
| 69. | Underbarrel | Operator Foregrip | Recoil Control | Aim Down Sight Speed |
| 70. | Barrel | FSS 12.4” Predator | Sound Suppression, Aim Down Sight Speed | Bullet Velocity |
| 71. | Perk | Deep Breath | Focus |