Arcturus M4/M16 LWT MK-IV CQB SPORT AEG Assault Rifle 11.5" (Standard Enhanced) – Black

The LWT MK-IV CQB SPORT is an electric airsoft replica manufactured by Arcturus, based on the M4/M16 platform.

The model belongs to the Standard Enhanced (SE®) series, featuring a programmable control unit with optical trigger detection.

SE Optical ETU Features:

• Pre-Cocking (2 levels)

• Active Braking – active motor braking (2 levels)

• Progressive trigger

• Programmable fire modes, including 2- and 3-BB BURST

• Binary trigger with automatic Ramping

• Low Battery Protection – protection against excessive battery discharge

• Electronic fuse

External Construction

The replica is primarily made of glass-fiber-reinforced PA66 nylon, with aluminum and steel components.

Nylon components:

• 10.5" M-LOK handguard

• Replica receiver

• Top RIS rail

• Textured pistol grip

• Stock

• Magazine

Aluminum components:

• Muzzle device

• Outer barrel

• Ambidextrous controls: bolt catch, magazine release, and fire selector

• Ambidextrous charging handle

• Buffer tube

Steel components:

• Screws and pins

• Tactical sling mount

The M-LOK handguard allows additional accessories to be mounted, such as vertical grips, flashlights, and laser aiming devices.

The versatile design, adjustable stock, and low weight make the replica easier to handle in confined spaces. The model is particularly suitable for CQB games, while also performing well in open terrain.

Internal Construction

The replica features a V2 Hybrid gearbox with a reinforced front section of the gearbox shell and a quick-change spring system. The programmable SE unit controls the operation of the system.

Internal components:

• V2 Hybrid gearbox with a quick-change spring system

• Reinforced front section of the gearbox shell

• Extended-life spring (Si-Cr steel)

• Steel gears with an 18:1 gear ratio

• 23T Torqued-Up ferrite motor (26K)

• Arcturus RS™ rotary hop-up chamber made of reinforced polymer

• Polymer nozzle

• Polymer spring guide

• CNC-machined stainless steel cylinder

• Piston with QPQ-treated steel teeth

The replica supports 7.4 V and 11.1 V Li-Po and Li-ion batteries and is equipped with a T-Deans connector.

Magazine and Operation

The replica comes with an Arcturus AR MOD1 M4/M16 EMM magazine with a capacity of 350 BBs.

The ambidextrous controls, including the fire selector, magazine release, and bolt catch, make the replica easier to operate for both right- and left-handed users.

The programmable SE ETU allows the trigger response and fire modes to be adjusted according to the user's preferences.

Product Features

• M4/M16 AEG platform

• Standard Enhanced (SE®) series

• Programmable optical SE ETU

• Pre-Cocking and Active Braking – 2 levels each

• Progressive trigger

• Programmable 2/3-BB BURST modes

• Binary trigger with automatic Ramping

• Low Battery Protection and electronic fuse

• Glass-fiber-reinforced PA66 nylon receiver with metal inserts

• 10.5" M-LOK handguard

• Adjustable stock

• Ambidextrous controls and charging handle

• V2 Hybrid gearbox with a quick-change spring system

• Reinforced front section of the gearbox

• Steel gears with an 18:1 ratio

• 23T Torqued-Up ferrite motor

• Arcturus RS™ rotary hop-up chamber

• Piston with QPQ-treated steel teeth

• Compatible with 7.4 V and 11.1 V Li-Po/Li-ion batteries

• T-Deans connector

• EMM magazine with a capacity of 350 BBs

Package Contents

• Arcturus LWT MK-IV CQB SPORT AEG SE® replica

• 350-BB EMM magazine

• Folding iron sights

• Cleaning rod

• Assembly wrench

• Allen keys

• T-Deans to Mini Tamiya adapter

• User manual

Battery and charger are not included.