Specifications - M4 2021 model
Summary
The M4 has been in service since 1994 and has undergone over 90 modifications since. It is used by 60 countries on Earth and has since been added to off world armories. The Versatile nature of the M4 makes it a perfect weapon and with the ability to change barrel lengths (at an armory) it is ideal for close quarters combat and mid range engagements.
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Personal Arms
| Weapon System | Carbine, Caliber 5.56 mm, M4 | |
| Caliber | 5.56 mm (.223 in) | |
| Rate of fire | 700–950 round/min cyclic | |
| Effective firing range | 500 m (550 yd) | |
| Feed system | 30-round box magazine, 100-round twin drum magazine | |
| Attachments | * Suppressors - Flash - Sound * M203 grenade launcher * M26 MASS shotgun * Forward hand grips * Sights - Night vision devices - Laser sights - Telescopic sights * Short Barrel (commando) |