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APS Full Metal M4 RIS CQB / R Non-Blowback Standard Airsoft AEG Rifle (Hybrid Gearbox)

ID: 47665 (AEG-APS-ASR403)
APS / HakkotsuASR403ASR40347665
4.8 stars, based on 4 reviews
APS Full Metal M4 RIS CQB / R Non-Blowback Standard Airsoft AEG Rifle (Hybrid Gearbox)
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APS / Hakkotsu


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FPS Range: 330-380

The new 2014 models come with APS's newest Generation 3 Version 2 gearbox with reinforced internals, gearbox shell, quick change spring and much more! The factory tuning have been improved for a overall better performing rifle.
*note: The 2014 APS gearbox no longer comes with a MOSFET
The ASR40- is a traditional M4A1 style AEG commonly used by the majority of both serious and new airsoft players due to the wealth of aftermarket accessories available for it. With the help of our patented HYBRiD Gear Box, this non blow back airsoft gun generates only 10 Amperes while in operation. increasing battery life while in the field and increasing the overall shooting performance when firing the gun. The new motors used for the ASR have been improved upon to be more efficient thus lowering the drain on your battery by about 20% so they last longer between charges.


  • APS's newest Generation 3 Version 2 HYBRID 7mm gearbox
  • QD spring change allows for swapping out springs without disassembly of the gearbox
  • New and improved more efficient motor
  • Full metal receiver
  • 6 position retractable crane stock
  • Metal railed handguard
  • Metal flat top rail
  • Flip-up front and rear sights
  • Adjustable front & rear sights
  • Enhanced trigger guard
  • 6.04mm diameter inner barrel
  • Front sling swivel and optional QD sling attachment point

Length: 690mm-770mm (Adjustable)
Weight: 2.99kg
Inner Barrel Length: 270~mm
Gearbox: Version 2 HYBRID
Muzzle Velocity: ~330-380 FPS
Magazine: 300 rd Hi-cap magazine
Package Includes: Gun, Hi-cap Magazine, Manual, Unjamming rod
Motor: Long Type
Battery: 9.6v 1600mAh Butterfly Type / 7.4v Buffer Tube LiPo Recommended (Battery and Charger Not Included)
Wiring: Rear wired w/ small Tamiya
Fire Mode: Full/Semi Auto, Safety

Manufacturer: APS (OEM/Manufacture)

Things you may need to get started:
    Battery and Charger – Required to power your AEG; use a high quality battery and charger for best results.

    Spare Magazines – Stay in the fight longer by bringing more ammo with you.

    BBs – High quality precision 6mm BBs recommended; Use 0.20g – 0.25g BBs for best results.

    Silicone Oil – Basic cleaning and lubrication maintenance help keep your Airsoft AEG in top working order.

About APS / Hakkotsu

APS Limited was established in 2001. APS started by specializing in designing and building Simulation Training Equipment (Real Action Markers & Powder Balls for training simulation). APS - the three words stand for Accuracy - Pneumatics - Shooting. With their knowledge and experience that has been gained from making Real Action Markers and Projectiles, APS launched a new product line - Electronic Blow Back (EBB) products to spur the current Airsoft Market. Since entering the Airsoft industry their line of Airsoft rifles, pistols and accessories have been incredibly popular.

4 Customer Reviews

(Write a review)

by Eric T. on 11/02/2017
"This has been a great AEG for me. I was looking to get something for indoor use only and wanted a quick change spring to drop FPS easily, metal RIS, and shorter overall length than my standard AEG.

Well, I got all of that and more! The length and weight is perfect for me. The metal RIS is rock solid with almost no movement. The FPS for mine is MUCH lower than advertised, at around 285 with .25s, which is perfect for my situation.

This AEG has performed well both indoors and outdoors at skirmishes and milsim events. I have used half a dozen different brand magazines with no feeding issues, no jamming and it is accurate out to about 120 feet, with no wind, using .25s.

All in all, for the price, this is a great AEG.
by preston c. on 03/12/2017
"the gun is great. its great for biginners and veterans. i i really loved the gun in all i added a lot of attachments on it.
by Chase S. on 08/22/2015
"Need a completely versitile AEG? Look no further!

This gun is a complete beast on the field. It fires upwards of 900 RPM and hits what you aim at up to around 200 feet with ease. This is probably the best feeling M4 I've held yet even compared to my real one. It works beautiful for CQB and ranged engagements and the FPS is perfect at about 400-450. Very easy to customize and modify. I've used this multiple timesources and completely dominated the field with it.


-great weight and feel
-stock is very comfortable
-ROF and FPS is very nice
-extremely accurate
-easy to modify
-flip down iron sights (rear one can be removed completely too)
-iron sights are Very nice to use
-long battery life
-feeds very well
-as reliable as an AK-47

-rear flip down sight is slightly award to flip down
-receiver has little grooves or notches in it so you cant drop the mag out you have to manually pull it out
-putting the battery in the stock is a little difficult to figure out

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