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400 FPS AGM Full Metal Airsoft M4A1 Carbine Metal Gearbox AEG Rifle

SKU: AGM-031 AGMOut of stock

  • - Full metal gearbox
  • - Full metal one-piece 6.05mm inner barrel
  • - Reinforced gearbox internals
  • - Full Metal body construction
  • - Full Size 1:1 scale replica
  • - Fully functional semi/full auto firing modes
  • - Fully functional safety mode
  • - Adjustable hop up for field proven versatility and accuracy
  • - 4-point adjustable/retractable rear stock
  • - Upgraded high-torque long type motor


400 FPS AGM Full Metal Airsoft M4A1 Carbine Metal Gearbox AEG Rifle

Our take: The AGM full metal M4A1 Carbine AEG rifle comes ready to go out of the box with everything that is needed to start playing. With a Version 2 full metal gearbox, and full metal receiver, this carbine was built to not only be a durable rifle, but also a high performing one. Coming standard with a 4-point retractable stock, the M4A1 is perfect for all types of scenarios allowing players to be versatile and adapt to anywhere they play. The AGM M4A1 comes standard with a carry handle that when removed, reveals a full metal top rail system that allows for any standard rail mounting red/green dot scopes and micro sights to be installed.

Ammo type: Seamless 0.20g or heavier (0.23g, 0.25g, 0.26g,0.28g, etc) Bbs. For maximum performance and accuracy, Airsoft Megastore recommends GoldenBall ProSlick BBs which carry perfect spherical consistency and density, available at AirsoftMegastore for the lowest price on the market, guaranteed.

Battery Charger Recommendation: Although this fully automatic airsoft rifle comes with a standard wall charger to charge the battery, Airsoft Megastore recommends the use of a smart charger to avoid overcharging the battery (overcharged batteries may cause decreased airsoft gun performance and may shorten battery life significantly). Smart charger snot only shorten charge time significantly (up to 800% faster charging), but more importantly, also automatically shut off once the battery is fully charged to avoid overcharged batteries.

In the Box


rechargeable battery

wall charger

instruction manual

unjamming rod

300-round high capacity magazine


Operation Electric Automatic
Build/Body Full metal body, polymer hand guard, metal sights, metal barrel
Firing Modes Semi-automatic and Full-automatic
Muzzle Velocity 390-440 FPS with 0.20g BBs
Gearbox Full Metal Version 2
Hop-up Adjustable
Battery Type 8.4V Mini
Magazine 300-round high capacity
Inner Barrel Length 363mm
Weight 8 pounds
Overall Length 33" in./ 29.75" in. (Extended/ Retracted)

California Proposition 65 Warning: Cancer and Reproductive Harm -

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