DBoys M4A1 CQB RIS 5" w/ Suppressor

DBoys
Code: 212570 1171
£149.99
  • CQB optimised M4
  • Suppressor included
  • 20mm Picatinny quad rail handguard

If you like a bit of CQB skirmishing you will know, size does matter. In this case, smaller is better! Introducing the M4A1 CQB RIS 5" by DBoys, straying from the usual DBoys script of realism above all to provide a more practical skirmish piece, whether it is a backup to a much bigger gun or as a primary for CQB.

Full description

Description

DBoys are well-known for providing excellent realism in AEGs at an enviable price point, but with this new M4A1 you get a slice of realism coated with skirmish practicality as well! The M4A1 RIS CQB is intended to bridge the gap between a GBB pistol and a full-sized AEG, providing a pocket-sized M4/AR15 platform that could be effectively used as a backup rifle for a sniper or support gunner, or as a primary for turning and burning at your local CQB site.

The M4A1 CQB RIS 5" is constructed primarily from polymer, with an alloy 20mm Picatinny quad railed handguard, suppressor and outer barrel. The metal bits being all up front balances this build really well with its metal internals, keeping the balance point between the magazine well and pistol grip, affording this AEG exceptional handling. At the tip of the alloy outer barrel we can find a threaded suppressor, which comes pre-installed to the barrels 14mm CCW male threads. This suppressor has CCW threads at one end, and CW threads at the other, so if you remove it make sure you reinstall it carefully, if it won't go on try it the other way around! If you ask us, this thing is begging for a tracer unit (especially if you're doing some CQB), and the 14mm CCW threaded barrel will allow the most common types to be added with no fuss.

The suppressor sits slightly recessed into the alloy 20mm Picatinny quad rail, providing an ultra-sleek "integrally suppressed" look, akin to the ever-popular AAC Honeybadger or MP5 SD. The quad rail provides attachment surfaces at the 3, 6, 9, and 12 o'clock positions, providing plenty of room for foregrips, tactical flashlights, and PEQ laser units should the mission require it. The handguard meets the receiver in a monolithic fashion, with no interruptions between each rail surface, allowing optical sights of practically any size to be mounted, including holographic sight and magnifier combinations. This rail surfaces comes with flip up iron sights pre-installed, which can be deployed by pressing the textured button on top of both the front and rear sights. The front sight includes protective wings to prevent the delicate sight blade from damage in the event of a drop, and the rear sight features a choice of two apertures that are adjustable for windage without the use of tools.

The receiver of the M4A1 RIS CQB is exactly what we would expect for an M4/AR15 AEG, and sports all the familiar and comfortable controls found on any M4 rifle. The fire selector can be found on the left side, and sits beneath the shooter's thumb for fast access, with a 90-degree throw between fire modes. The charging handle is present at the top rear of the upper receiver and provides access to the rotary HOP-up chamber when held to the rear. The HOP-up chamber can be found inside the ejection port on the right side, and allows adjustable backspin to be applied to your BB for extended range, consistency and resistance to wind. The dial within the ejection port can be rotated and set to provide a flat trajectory with your chosen BB weight and can be adjusted on the fly if needed. The rotary HOP design is widely regarded as one of the better unit designs on the market, and holds its setting very well, even under the vibration of firing. To the rear of the ejection port we can find a mock brass defector and mock forward assist button. These parts do nothing on an AEG M4, but they do certainly look the part, and without them, it just wouldn't be an M4! Over on the left side, we have another dummy control, the bolt release catch. A thoughtful inclusion for realism, the bolt catch is a separate piece made from metal and can be pressed for extra operator points after a flawless reload.

Moving down to the lower receiver, we can find the magazine catch, which protrudes on the right side beneath the ejection port and can easily be reached by the shooter's finger. This magazine catch is one of the best features of the M4/AR15 design, and allows a fast release and easy access whilst remaining protected from accidental bumps by the mag release "fence", moulded into the receiver itself. The pistol grip on this AEG is an "A2" finger ridged type, with checkering on the side and rear faces, providing ample grip whilst still remaining comfortable when handling without gloves.

At the rear end of the AEG we can find a standard M4/AR15 6 position buffer tube, constructed from polymer to keep the build manoeuvrable and well balanced. This buffer tube is compatible with any M4/AR15 AEG stock but comes with a Crane battery stock with QD sling sockets pre-installed. On a 6 position tube, you have 6 options as far as the stock length is concerned, allowing any body type to use this AEG comfortably. The stock also features conventional sling slots and can be set up with a two-point rifle sling if a 20mm sling point is installed on the handguard. The battery compartment for the M4A1 RIS CQB 5" can be found within the stock, and can be accessed by squeezing the two tabs at the toe of the stock together, after which the rubber butt plate can be removed. For this type of stock, we recommend a 7.4V 1300 mAh LiPo battery.

So, whether you are in the market for a lightweight backup for your heavyweight primary, or you just want something ideally suited to the "shoot and scoot" environment of the modern Airsoft CQB arena, the DBoys M4A1 RIS CQB 5" will serve you well!

Features

  • Metal version 2 gearbox
  • Rotary Adjustable HOP-up unit
  • Alloy 20mm Picatinny quad rail
  • Alloy suppressor pre-installed
  • Polymer receiver, grip, buffer tube, stock
  • Textured, finger ridged pistol grip
  • Compatible with M4/AR15 AEG magazines
  • Includes flip-up iron sights
  • Extended charging handle latch
  • 6 Position adjustable stock
  • QD sling points and sling slots in the stock

Package Includes

  • Dboys M4A1 CQB RIS 5" w/ Suppressor
  • 300 rnd High capacity magazine
  • User manual

Specification

General

Weapon Construction External
Weapon Type
Assault Rifle
Over 18 Only Icon
Over 18
Yes
Icon UKARA - United Kingdom Airsoft Retailer Association
Defence / UKARA Required
Yes, No,
FPS Icon
FPS (Feet Per Second), using 0.20g BB
Approx. 315fps ± 10%, using 0.20g BB
Site Legal Icon
Site Legal, using 0.20g BB
Yes
Screwdriver Icon
Pre-Built
Yes
Package
Included Items
  • Magazine
  • Instruction Manual
Skill Level Icon
User Skill Level
Starter, Regular Player,

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx. 2.1kg
Weapon Length Collapsed
Length (Collapsed)
61cm
Weapon Length Extended
Length (Extended)
69cm

Construction

Colour Wheel Greyscale
Primary Colour
Black
Construction Icon
Construction
Alloy RIS handguard, suppressor and outer barrel. Polymer receiver, pistol grip, buffer tube, stock and sights. Steel/Alloy trim parts
Weapon Construction External
External Construction
Polymer
Alloy
Gearbox Icon
Internal Construction
Polymer
Alloy
Aluminium
Steel

Weapon Specific

Power Source Icon
Powered By
Electric
Blowback Icon
Blowback
None
Weapon Platform
AR Platform, M4 / AR15 / M16, Long Gun, Assault Rifle,
Magazine Style Icon
Magazine Style
STANAG, Long Gun Magazine, Assault Rifle, M4 / AR Platform,
Fire Select Icon
Fire Selector
PatrolBase | Fire Select Safe
Safe
Patrol Base | Fire Select - Semi Automatic
Semi Automatic
Patrol Base | Full Automatic
Full Automatic
Weapon Safety Features Icon
Safety Features
Trigger Lock
Shooter Configuration Icon
Shooter Configuration
Right Handed
Weapon Configuration Icon
Weapon Configuration
Standard
Weapon Scale Icon
Weapon Scale
1:1
Suggested BB Weight
0.25g

Hop-Up

Hop-Up Unit Icon
Hop-Up Unit
Yes
Hop-Up Unit Adjuster Icon
Hop-Up Adjuster
Rotary
Hop-Up Unit Location Icon
Hop-Up Location
Behind mock bolt carrier, accessible when the charging handle is held to the rear.

Furniture

Weapon Furniture Icon
Furniture
  • Railed Handguard
  • Suppressor
  • Flip-Up Ironsights
  • AR Buffer Tube
  • Railed Receiver
  • Finger Ridged Pistol Grip
  • Sliding Stock
Rail System Icon
Rail System
20mm RIS / RAS , 20mm Railed Receiver,
Icon Stock Positions
Stock Setting
Sliding , M4 Crane Stock,
Weapon Length Extended
Stock Positions
6 Position
Sight Type Icon
Sight Type
Iron Sights , Aperture Iron Sight,
Sling Plate Icon
Sling Options
Stock , QD ,

Barrel

Outer Barrel Length (in)
4''
Icon Thread Type
Outer Barrel Thread Type
Male
Icon Thread Direction
Outer Barrel Thread Direction
CCW (Counter Clockwise)
Outer Barrel Thread Size
14mm
Inner Barrel Diameter
6.08mm
Inner Barrel Length
210mm

Magazine Specific

Magazine Type
High Capacity, Wheel Wound, AEG,
Magazine BB Capacity
Approx. 300 Rounds
Magazine BB Fill Method
Fill Window
Magazine BB Fill Location
Top

Electric Gun Specific Information

Gearbox
Gearbox Icon
Gearbox Version
V2 Gearbox
Wiring Icon
Gearbox Wiring
Rear Wired
Motor
Airsoft Motor Icon
Motor Type
Standard
Battery Specific
Battery Connector
Patrol Base | Icon | Mini Tamiya
Mini Tamiya
Suggested Battery
Suggested Battery Type
Li-Po
Suggested Battery Configuration
Crane
Suggested Battery Voltage
7.4v

Product Testing Data

Notepad Icon
Test Description
315 FPS +/- 10%
Notepad Icon
Tested Using
0.2g ASG BLASTER
Notepad Icon
Test Date
24/01/2022

Size guide

Joule Charts

Special Instructions

These table can be used as a reference to see if the BB weight you are using will be over acceptable Joulage limits at some Airsoft Sites in the UK. To check if the weight can be used chrono your weapon using the BB you intend to use, and then compare it to the chart.

FPS, Power and Joule Limits can vary from site to site, so please get in touch with where you're going to play with in advance to avoid disappointment.

Suggested limits are based on Joulage Limit rules used Halo Mill: Proving Grounds, with a 350fps limit for Automatic Replicas, 400fps for Semi-Automatic Replicas, and 500fps for Bolt Action Replicas.

Tap the tabs below to open the relevant chart for your replica.

Suggested limits are based on Joulage Limit rules used Halo Mill: Proving Grounds, and is the equivalent of 350fps, using 0.20g BB resulting in an upper limit of 1.14j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
325 0.98 1.23 1.37 1.47 1.57 1.77 1.96 2.11 2.21 2.45
328 1.00 1.25 1.40 1.50 1.60 1.80 2.00 2.15 2.25 2.50
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
335 1.04 1.30 1.46 1.56 1.67 1.88 2.09 2.24 2.35 2.61
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
345 1.11 1.38 1.55 1.66 1.77 1.99 2.21 2.38 2.49 2.76
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
355 1.17 1.46 1.64 1.76 1.87 2.11 2.34 2.52 2.63 2.93
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01

Suggested limits are based on Joulage Limit rules used at Halo Mill: Proving Grounds, and is the equivalent of 400fps, using 0.20g BB resulting in an upper limit of 1.49j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01
370 1.27 1.59 1.78 1.91 2.03 2.29 2.54 2.73 2.86 3.18
380 1.34 1.68 1.88 2.01 2.15 2.41 2.68 2.88 3.02 3.35
390 1.41 1.77 1.98 2.12 2.26 2.54 2.83 3.04 3.18 3.53
400 1.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 3.34 3.72
410 1.56 1.95 2.19 2.34 2.50 2.81 3.12 3.36 3.51 3.90

Suggested limits are based on Joulage Limit rules used at Halo Mill: Proving Grounds, and is the equivalent of 500fps, using 0.20g BB resulting in an upper limit of 2.32j.

Velocity BB Weight (Grams)
FPS 0.20 0.25 0.28 0.30 0.32 0.36 0.40 0.43 0.45 0.50
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 1.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 1.35 1.46 1.52 1.69
280 0.73 0.91 1.02 1.09 1.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 1.41 1.56 1.68 1.76 1.95
300 0.84 1.05 1.17 1.25 1.34 1.51 1.67 1.80 1.88 2.09
310 0.89 1.12 1.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 1.71 1.90 2.05 2.14 2.38
330 1.01 1.26 1.42 1.52 1.62 1.82 2.02 2.18 2.28 2.53
340 1.07 1.34 1.50 1.61 1.72 1.93 2.15 2.31 2.42 2.68
350 1.14 1.42 1.59 1.71 1.82 2.05 2.28 2.45 2.56 2.85
360 1.20 1.51 1.69 1.81 1.93 2.17 2.41 2.59 2.71 3.01
370 1.27 1.59 1.78 1.91 2.03 2.29 2.54 2.73 2.86 3.18
380 1.34 1.68 1.88 2.01 2.15 2.41 2.68 2.88 3.02 3.35
390 1.41 1.77 1.98 2.12 2.26 2.54 2.83 3.04 3.18 3.53
400 1.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 3.34 3.72
410 1.56 1.95 2.19 2.34 2.50 2.81 3.12 3.36 3.51 3.90
420 1.64 2.05 2.29 2.46 2.62 2.95 3.28 3.52 3.69 4.10
430 1.72 2.15 2.40 2.58 2.75 3.09 3.44 3.69 3.86 4.29
440 1.80 2.25 2.52 2.70 2.88 3.24 3.60 3.87 4.05 4.50
450 1.88 2.35 2.63 2.82 3.01 3.39 3.76 4.04 4.23 4.70
460 1.97 2.46 2.75 2.95 3.15 3.54 3.93 4.23 4.42 4.91
470 2.05 2.57 2.87 3.08 3.28 3.69 4.10 4.41 4.62 5.13
480 2.14 2.68 3.00 3.21 3.42 3.85 4.28 4.60 4.82 5.35
490 2.23 2.79 3.12 3.35 3.57 4.02 4.46 4.80 5.02 5.58
500 2.32 2.90 3.25 3.48 3.72 4.18 4.65 4.99 5.23 5.81
510 2.42 3.02 3.38 3.62 3.87 4.35 4.83 5.20 5.44 6.04

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