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Home » Airsoft Guns » Airsoft Electric Rifles

Arcturus LWT MK-III ARC SE Sport Airsoft AEG Rifle w/ 12" M-LOK Rail
(Color: Black / Gun Only)

ID: 126158 (AT-ST03-CB-SE-BK)
AT-ST03-CB-SE-BK
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Optic not included
Arcturus

$183.75

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Color Options:
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Black-TanBlack-Tan
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Gun Only$183.75
Starter Package$236.25

Description

Specs

Reviews

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Product Description

Features

  • Durable and lightweight nylon receiver construction
  • Polymer M-LOK handguard
  • 10" M-LOK Rail
  • Top Picatinny rails allow the attachment of favorite optics and accessories
  • Adjustable stock for customizable length of pull
  • Quick change spring system allows for quick and easy spring changes
  • Gearbox has 8mm bearings and a quick change spring system
  • Pre-installed ARC SE® Standard Enhanced SE Optical ETU MOSFET
  • 24k RPM neodymium motor w/ MIM steel pinion

Manufacturer: Arcturus

FPS Range: 350-400

2 Customer Reviews

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by Munkh-Od D. on 12/23/2025
"I got the starter package as my first ever AEG. I did a ton of research beforehand and believe this is the best bang for buck option for those looking to get into airsoft. Great out of the box performance. Hops up to .32's, but I'd recommend starting out with .3's for outdoor play.

In terms of upgradeability, the gearbox is fine but not great. Very tight fit for 8mm FLT bushings and SHS gears. Couldn't put a single 0.1mm shim on my spur gear with the stock ball bearings installed. I'd probably spend the $40-60 on a APS or Lonex gearbox if swapping out most of the internals.

Absolutely great for beginners. All I would do is get a solid aftermarket bucking/nub combo and slap a red dot on it.
by Andres o. on 07/21/2025
"10/10, would buy again, totally reccommend

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Arcturus

About Arcturus

We are specialized in high quality Airsoft products, and have been providing a high quality production for years, delivering the most exclusive Airsoft Guns, Parts & Accessories, the best selection of Airsoft products.