Cyma Cm 303 Spring Powered M4a1 Airsoft Rifle Disassembly

Cyma Cm 303 Spring Powered M4a1 Airsoft Rifle Disassembly


Description

The CM.068B is a stone solid, full metal M4/AR15 platform AEG with loftier speed external setup, with a lightweight KeyMod handguard and a muzzle restriction for that modern tactical burglarize look. The CM.068B uses a x" URX4 style handguard, a more modern blueprint which utilises negative space zipper to keep the forepart finish calorie-free and piece of cake to manoeuvre. The handguard as well comes with three 20mm Picatinny track adapters pre-installed, allowing you to make utilise of the super common 20mm rail accessories out of the box!

Starting at the tip of the butt we tin see the steel muzzle brake, finished in a dull gunmetal greyness to add some dissimilarity and give the CM.068B a expect that ways business organisation! This muzzle brake attaches to 14mm CCW male threads at the tip of the blend outer barrel, allowing any 14mm CCW threaded accompaniment to be attached equally an alternative to the cage brake, and so if you fancy the sneaky look, you can add a suppressor or tracer easily!

Side by side up, we reach the URX4 style KeyMod handguard, which is costless-floated along its entire length, preventing any strength practical to the handguard from affecting the barrel alignment. This handguard provides a 20mm Picatinny rail at the 12 o'clock position and KeyMod negative space attachment slots at the 1:thirty, 3, 4:30, 6, 7:thirty, 9, and 10:thirty positions around the circumference of the handguard. This provides excellent flexibility in mounting options, allowing you to employ the angled attachment surfaces to add tactical flashlights and other accessories in a location which fits your body blazon and manner. The handguard comes with iii KeyMod to Picatinny rail adapters pre-installed; a single nine slot section and two 5 slot sections. These rail sections can be moved effectually or removed entirely, depending on your personal requirements and those of the mission!

Moving rearwards, we get in at the receiver, which is of a familiar M4/AR15 layout with a 20mm Picatinny runway running across its upper surface for the addition of optical sights. The CM.068B comes with a pair of flip upwardly iron sights pre-installed on the upper receiver rails and on the handguard. These sights provide adjustable front postal service which is protected with wings and an ultra-fine aperture at the rear which tin can also be adapted for both windage and elevation. To deploy the sights, simply lift the sights up using the relief cutting in the front sight, and the knurled adjuster on the rear sight, after which the sight will lock into place with the help of a spring assist mechanism in the sight base. To fold the sights, simply push them dorsum down, the spring assist will agree them in identify until they are needed!

The burn selector can be institute on the left side of the AEG sitting conveniently beneath the shooter's thumb. The selector is an extended design with angled serrations on the upper and lower surface to guarantee positive control. This fire selector provides 3 positions, Prophylactic, SEMI and Auto denoted with engraved markings, with a 90-caste throw between modes of burn down. The magazine release of the CM.068B is too an extended blueprint, with ambidextrous functionality allowing both left-handed and right-handed users to acquit out fast reloads with drop-costless adequacy. Each of the mag release buttons have textured surfaces to ensure your finger doesn't slip in wet weather, or when covered in mud!

The mock commodities release take hold of tin exist institute in the center of the left side of the receiver and tin can be used to release the mock bolt when it has been locked open for HOP adjustment. The charging handle is found at the top heart of the upper receiver and can be pulled back to open the grit cover on the right side and retract the mock bolt, revealing the gear adaptable alloy HOP unit. This unit is the legacy gear pattern and tin can provide fast adjustments, and is stronger than nigh HOP units due to its alloy structure. To the rear of the dust encompass and mock ejection port, we can find the AR15 brass deflector and forward assist, both of which serve no function in an Airsoft AEG but are however essential for realistic looks.

The CM.068B'south pistol grip is a close replica of the existent earth MP grip, with a refined grip shape with texturing on either side for optimal grip, and linear checkering at the front end and rear straps. This grip also has a filled-out backstrap, allowing a more than consistent and comfortable concord on the rifle. This grip is regarded as one of the more comfortable alternatives to the standard "A2" grip as all of the edges are reprofiled, removing any "hot points" of contact which tin crusade discomfort. This pistol grip pairs well with the enlarged trigger guard, which allows for effective gloved use of the CM.068B. These two parts requite the AEG a customized feel, even when it simply just came out of the box!

Arriving at the rear we tin can find the steel ambidextrous sling plate, which mounts to the rear of the receiver between information technology and the buffer tube. This plate provides two sling mounting points, i on either side, which are perfectly suited to slings with a "hook" fashion attachment method. With but the sling plate installed you can add a single signal sling straight away, merely with an additional sling indicate added to the handguard, the rifle can be gear up upwards with a ii or iii bespeak sling. To the rear of the sling plate, we can find a standard M4/AR15 half-dozen position buffer tube, which is constructed from alloy and comes with a Crane battery stock installed. The crane stock provides an enhanced cheek piece for optimum comfort, a standard profile adjustment lever for like shooting fish in a barrel access, and a pair of sling slots for setting the rifle up with a more traditional sling. At the rear of the stock nosotros tin find a grippy rubber butt pad, complete with diamond checkering to ensure it doesn't slip when shouldered. To install the battery in the CM.068B, simply squeeze the 2 tabs at the toe of the stock together, then, one time the tabs are removed from the body of the stock, pull the butt plate down to remove it. With the barrel plate removed you should be able to pull out the battery cap, revealing the dual battery compartment. We recommend a 7.4V 1300mAh LiPo battery for the CM.068B for optimum fitment.

Internally the CM.068B has some impressive parts inside, the likes of which are usually added as aftermarket upgrades! The CM.068B sports the standard internal enhancements of CYMA'southward full metal serial, with 8mm begetting bushings to ensure the gearbox runs smoothly with minimal friction, and a ball bearing spring guide to reduce strain on the rear of the gearbox during cycling. The best feature of the CM.068B is without a doubt its piston head and cylinder head setup, both of which are "silent" types. This both reduces the noise of the gearbox cycling and reduces stress on the forepart of the gearbox from the affect of the piston. Coupled with its high torque motor which uses neodymium magnets, this AEG cycles apace and quietly, with minimal fuss and an impressive trigger response!

So, if you are looking for a modernistic tactical SBR style AEG, you cannot become far wrong with the CM.068B! This AEG would also make a swell DMR base gun, with its tight bore inner barrel, pre-installed silent cylinder head and piston head, loftier torque motor capable of handing stronger springs, and its decent just not excessive overall length.

Features

  • Full metallic construction
  • Steel Muzzle brake
  • Includes 3x KeyMod Picatinny track
  • High torque motor with neodymium magnets
  • 14mm CCW male threaded 11.5" outer butt
  • 303mm 6.03mm Tightbore inner barrel
  • Silent piston head and cylinder caput pre-installed
  • 10" KeyMod handguard
  • Flip-up fe sights
  • Crane battery stock
  • Steel ambidextrous sling plate
  • Extended ambidextrous magazine release
  • Gear adjustable alloy HOP unit
  • Extended fire selector switch - Easy to reach
  • 8mm bearing bushings, bearing spring guide
  • Functional mock bolt catch - release the mock commodities following HOP aligning
  • Uniform with M4/AR15 AEG magazines

Packet Includes

  • CYMA CM.068B M4 KeyMod AEG
  • 120 rnd Medium capacity mag
  • User manual

Specification

General

Weapon Construction External

Weapon Type

Attack Burglarize

Over 18 Only Icon

Over 18

Yes

Icon UKARA - United Kingdom Airsoft Retailer Association

Defence force / UKARA Required

Aye , No ,

FPS Icon

FPS (Feet Per 2nd), using 0.20g BB

Approx. 350fps ± 10%, using 0.20g BB

Site Legal Icon

Site Legal, using 0.20g BB

Yes

Screwdriver Icon

Pre-Built

Yes

Package

Included Items

  • Magazine
  • Pedagogy Transmission
  • Ironsight Prepare

Skill Level Icon

User Skill Level

Starter , Regular Role player ,

Weight and Dimension

Weight KG Icon

Weight (KG)

Approx. 2.58kg

Weapon Length Collapsed

Length (Collapsed)

75cm

Weapon Length Extended

Length (Extended)

83cm

Construction

Colour Wheel Greyscale

Main Colour

Black

Construction Icon

Structure

Aluminium handguard. Alloy outer butt, receiver, buffer tube, and trigger guard. Steel flash hider, sling plate, and trim parts. Polymer stock and pistol grip.

Weapon Construction External

External Construction

Polymer

Alloy

Aluminium

Steel

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 Fashion

STANAG , Long Gun Magazine , Assault Rifle , M4 / AR Platform ,

Fire Select Icon

Burn Selector

PatrolBase | Fire Select Safe

Rubber

Patrol Base | Fire Select - Semi Automatic

Semi Automated

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

ane:1

Suggested BB Weight

0.25g

Hop-Upwardly

Hop-Up Unit Icon

Hop-Up Unit of measurement

Aye

Hop-Up Unit Adjuster Icon

Hop-Upwardly Adjuster

Gear

Hop-Up Unit Location Icon

Hop-Up Location

Behind mock bolt carrier, accessible when the charging handle is pulled and mock bolt is locked to the rear

Furniture

Weapon Furniture Icon

Article of furniture

  • Flip-Up Ironsights
  • AR Buffer Tube
  • KeyMod Handguard
  • Railed Receiver
  • Ambidextrous Magazine Release
  • Ergonomic Pistol Grip
  • Muzzle Restriction
  • Ambidextrous Sling Plate
  • Enlarged Trigger Guard
  • Keymod Rail sections
  • Enlarged selector switch

Rail System Icon

Rail System

KeyMod , 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

Buffer Plate , Stock ,

Barrel

Outer Barrel Length (in)

11.5''

Icon Thread Type

Outer Barrel Thread Blazon

Male

Icon Thread Direction

Outer Barrel Thread Direction

CCW (Counter Clockwise)

Outer Barrel Thread Size

14mm

Inner Barrel Diameter

half dozen.03mm

Inner Barrel Length

303mm

Magazine Specific

Magazine Type

Medium Capacity , AEG ,

Magazine BB Capacity

Approx. 120 Rounds

Magazine BB Fill Method

Speed Loader

Magazine BB Make full 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

High Torque

Bombardment Specific

Battery Connector

Patrol Base | Icon | Mini Tamiya

Mini Tamiya

Suggested Battery

Suggested Battery Type

Li-Po

Suggested Battery Configuration

Crane

Suggested Bombardment Voltage

7.4v

Product Testing Data

Notepad Icon

Test Description

350 FPS +/- 10%

Notepad Icon

Tested Using

0.2g ASG BLASTER

Notepad Icon

Exam Engagement

08/02/2022

Size guide

Joule Charts

Special Instructions

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

FPS, Power and Joule Limits can vary from site to site, then please make it bear on with where yous'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 Automated Replicas, 400fps for Semi-Automatic Replicas, and 500fps for Commodities 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 one.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 one.05 1.xvi 1.25 1.31 1.45
260 0.63 0.79 0.88 0.94 ane.00 1.13 1.26 1.35 1.41 1.57
270 0.68 0.85 0.95 1.02 1.08 1.22 i.35 one.46 i.52 ane.69
280 0.73 0.91 one.02 one.09 1.17 1.31 1.46 ane.57 1.64 1.82
290 0.78 0.98 1.09 1.17 1.25 one.41 1.56 i.68 1.76 1.95
300 0.84 1.05 one.17 i.25 1.34 i.51 ane.67 one.eighty 1.88 2.09
310 0.89 one.12 one.25 1.34 1.43 1.61 1.79 1.92 2.01 2.23
320 0.95 one.19 1.33 one.43 ane.52 one.71 one.90 2.05 2.fourteen 2.38
325 0.98 1.23 i.37 i.47 1.57 1.77 1.96 2.11 2.21 ii.45
328 one.00 1.25 1.40 one.50 1.60 one.80 2.00 two.15 2.25 2.fifty
330 1.01 1.26 1.42 1.52 1.62 1.82 ii.02 two.xviii two.28 2.53
335 1.04 1.30 ane.46 1.56 1.67 one.88 2.09 2.24 2.35 2.61
340 1.07 one.34 i.50 one.61 1.72 1.93 two.15 2.31 2.42 two.68
345 ane.11 1.38 1.55 1.66 1.77 1.99 2.21 2.38 2.49 2.76
350 1.xiv 1.42 ane.59 1.71 1.82 ii.05 2.28 2.45 2.56 ii.85
355 1.17 1.46 1.64 i.76 1.87 2.11 two.34 2.52 ii.63 2.93
360 1.20 1.51 1.69 1.81 1.93 ii.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 one.49j.

Velocity BB Weight (Grams)
FPS 0.twenty 0.25 0.28 0.thirty 0.32 0.36 0.40 0.43 0.45 0.l
250 0.58 0.73 0.81 0.87 0.93 1.05 1.16 1.25 ane.31 ane.45
260 0.63 0.79 0.88 0.94 1.00 i.13 1.26 1.35 ane.41 1.57
270 0.68 0.85 0.95 ane.02 1.08 one.22 1.35 one.46 one.52 1.69
280 0.73 0.91 1.02 one.09 i.17 1.31 1.46 1.57 1.64 1.82
290 0.78 0.98 1.09 1.17 one.25 1.41 1.56 ane.68 one.76 i.95
300 0.84 1.05 ane.17 1.25 ane.34 1.51 1.67 1.80 1.88 ii.09
310 0.89 1.12 1.25 one.34 i.43 1.61 i.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 i.71 1.90 2.05 ii.14 ii.38
330 1.01 1.26 i.42 i.52 1.62 1.82 two.02 2.18 2.28 two.53
340 i.07 1.34 1.50 i.61 i.72 one.93 2.xv two.31 2.42 2.68
350 i.fourteen 1.42 1.59 one.71 ane.82 2.05 two.28 2.45 2.56 2.85
360 i.xx one.51 1.69 1.81 1.93 2.17 2.41 two.59 2.71 3.01
370 1.27 1.59 1.78 i.91 two.03 2.29 ii.54 2.73 2.86 3.18
380 ane.34 ane.68 1.88 2.01 2.fifteen 2.41 ii.68 2.88 three.02 iii.35
390 1.41 1.77 1.98 2.12 two.26 ii.54 2.83 iii.04 3.18 3.53
400 i.49 1.86 2.08 ii.23 2.38 ii.68 ii.97 3.20 3.34 3.72
410 1.56 one.95 two.19 2.34 ii.50 2.81 3.12 3.36 3.51 3.ninety

Suggested limits are based on Joulage Limit rules used at Halo Manufacturing plant: 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.twenty 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 one.05 1.16 i.25 1.31 ane.45
260 0.63 0.79 0.88 0.94 1.00 ane.13 1.26 1.35 ane.41 1.57
270 0.68 0.85 0.95 1.02 1.08 ane.22 1.35 1.46 one.52 1.69
280 0.73 0.91 i.02 1.09 one.17 1.31 1.46 1.57 i.64 1.82
290 0.78 0.98 ane.09 1.17 1.25 1.41 one.56 1.68 1.76 1.95
300 0.84 ane.05 1.17 1.25 1.34 1.51 one.67 1.80 1.88 two.09
310 0.89 one.12 one.25 i.34 1.43 1.61 ane.79 1.92 2.01 2.23
320 0.95 1.19 1.33 1.43 1.52 i.71 1.90 two.05 2.xiv 2.38
330 1.01 1.26 1.42 one.52 1.62 1.82 two.02 2.xviii 2.28 2.53
340 1.07 1.34 1.50 1.61 ane.72 ane.93 2.15 ii.31 two.42 two.68
350 1.xiv one.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 one.93 2.17 two.41 2.59 ii.71 3.01
370 1.27 one.59 i.78 1.91 2.03 ii.29 ii.54 2.73 2.86 3.18
380 1.34 1.68 1.88 ii.01 2.15 ii.41 ii.68 ii.88 three.02 three.35
390 i.41 i.77 1.98 two.12 2.26 2.54 ii.83 iii.04 3.xviii 3.53
400 ane.49 1.86 2.08 2.23 2.38 2.68 2.97 3.20 iii.34 3.72
410 one.56 1.95 two.xix 2.34 2.50 2.81 3.12 iii.36 three.51 3.90
420 1.64 2.05 2.29 2.46 2.62 two.95 iii.28 3.52 3.69 4.10
430 1.72 2.15 two.40 2.58 ii.75 3.09 3.44 iii.69 3.86 4.29
440 1.80 2.25 ii.52 2.seventy 2.88 3.24 iii.60 3.87 4.05 iv.50
450 one.88 2.35 2.63 2.82 3.01 3.39 3.76 4.04 4.23 4.lxx
460 1.97 2.46 two.75 two.95 3.fifteen 3.54 3.93 iv.23 4.42 4.91
470 2.05 ii.57 2.87 3.08 3.28 3.69 4.10 four.41 4.62 5.13
480 two.14 2.68 three.00 3.21 3.42 3.85 4.28 4.60 4.82 5.35
490 2.23 2.79 3.12 iii.35 3.57 4.02 4.46 four.fourscore five.02 five.58
500 2.32 ii.ninety 3.25 three.48 three.72 4.eighteen 4.65 4.99 v.23 five.81
510 2.42 3.02 3.38 three.62 3.87 4.35 4.83 five.twenty 5.44 6.04

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Cyma Cm 303 Spring Powered M4a1 Airsoft Rifle Disassembly

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