CYMA Platinum Daniel Defense Licensed M4A1 w/ EMG Platinum Gearbox – AEG, Black 12″

(1 customer review)


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  • Daniel Defense licensed high quality metal alloy receiver w/ roll marks, laser engravings, and weather resistant matte black finish
  • Precision CNC machined Daniel Defense licensed DDM4 Freefloat Quad Rail handguard
  • TM compatible Ver. 2 metal gearbox
  • QBS spring system allows for easy spring changes without needing receiver disassembly
  • Full length Picatinny top rail for optics and accessories
  • Adjustable CRANE style stock
  • Flip up front and rear sights

New to the CYMA lineup is the Quick Buffer System (QBS) which allows for rapid spring changes that can be done by hand. This efficient new system only requires the removal of your buffer tube castle nut to gain access to the captured guide rod and spring. No longer is it necessary to break open your receiver or even remove your stock from the buffer tube to change a spring.

Patterned after the original ArmaLite AR-15, this venerable weapons platform has gone through numerous updates and evolutions through the years to become the go-to choice for military personnel, law enforcement agencies, and civilian shooting enthusiasts alike.

The Daniel Defense licensed RIS II handguard is a free-floating, two piece, ultra lightweight front rail system. It provides a full length mounting surface for all 20mm Picatinny compatible accessories: From grips, lights, PEQ boxes and anything in between. The handguard system is designed to accommodate an M203 grenade launcher with no special tools required. Integrated Ambidextrous QD Sling Swivel Mounts Points provide modular, limited rotation to suit your preferences. The ultra lightweight, free float design allows for quicker target acquisition.

Length: 755mm – 840mm
Weight: 2680g
Inner Barrel: ~330mm
Magazine Capacity: 150rd Mid-Cap. Works with Tokyo Marui, Matrix, G&P and other compatible M4 Series Airsoft AEG Magazines
Muzzle Velocity: 380~400 FPS (Measured with 0.20g BBs)
Rounds Per Second: 17 RPS, 28 RPS (7.4v, 11.1v respectively)
Gearbox: Ver 2 Metal, Upgradeable
Motor: Long Type
Fire Modes: Semi/Full-Auto, Safety
Battery: 7.4v Small LiPo Recommended. Wired to the rear w/ Deans Connector (Battery not included)
Hopup: Yes, Adjustable
Package Includes: Gun, Magazine

FPS Range: 380-400 (with 6mm .20g BB)

EMG Helios Pre-Upgraded Gearbox Features

  • High speed 13:1 short-stroked steel SHS gears and full metal rack piston
  • High torque neodymium magnet motor
  • Quick-change spring system allows for easy spring changes without needing receiver disassembly
  • 350-400 FPS estimated FPS (individual parts and build will affect FPS output)
  • Pre-built at the factory to ensure industry leading QC and parts quality
  • 8mm ball bearings for longevity and performance
  • Onboard electronic trigger
  • Wired to the rear with low-resistance silver-coated wire

The EMG Helios Platinum gearbox is the same gearbox you can find in our EMG Helios Umbrella Corporation AEG series. We know that today’s airsoft player demands performance from premium internals, so we looked straight to the same upgrades that everyone buys and had them installed in a complete gearbox, right from the factory. By pairing EMG Helios reliability and quality control with durable and very popular upgrades from SHS, the Helios Platinum gearbox is a ready-to-go upgrade that you can install into your gun. SHS parts include: CNC machined aluminum cylinder head, CNC machined aluminum piston head, full metal rack piston, 8mm ball bearings, and high-speed 13:1 steel gears that are short-stroked 4 teeth for improved performance.

Manufacturer: EMG Helios


Connector Type: Deans
Material: Aluminum-zinc alloy, Silver coated low-resistance wiring
Pre-Installed Upgrade Parts:

  • 13:1 high-speed SHS steel gears (short-stroked 4 teeth)
  • SHS full metal rack piston
  • SHS CNC aluminum cylinder head
  • SHS CNC aluminum piston head
  • 8mm Ver2 gearbox shell with molded radiused cylinder window and reinforcements
  • High torque neodymium magnet motor (capable of 26 RPS with an 11.1V LiPo battery)
  • Onboard electronic trigger

After completing order email us your photo ID & club affiliation letter to prove you belong to a club and are 18 years of age or older

1 review for CYMA Platinum Daniel Defense Licensed M4A1 w/ EMG Platinum Gearbox – AEG, Black 12″

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  1. Matt Robbins (verified owner)

    Great versatile AEG and the field change spring lets you dial it In as needed – DMR, CQB either way

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