CYMA CM.508 S-System M4A1 Rifle

Name: CYMA CM.508 S-System M4A1 Rifle
Brand: CYMA
SKU: PR007289
Price: 89.99 GBP
Availability: InStock

Code: …

£89.99

Quantity

Top 20mm Rail
Flip Up Ironsight
S-System Handguard

An Airsoft 6mm BB Gun which takes a base platform M4, then adds a fancy Handguard System to give this AEG a unique look and feel. This M4 replica is constructed mainly from Polymer, with a Polymer Receiver, Stock, Buffer Tube, Handguard, Flash Hider and Sights, with an Alloy Outer Barrel and Internals.

Full description

Delivery & Returns

If you have items in your basket from our European Warehouse, the minimum order value is £25. This is to cover EU shipping costs. The minimum order value includes the value of any items from our UK Warehouse.

Delivery & Postage

Here at Patrol Base, we send all our packages from our Warehouse based in the UK with the exception of European Warehouse Items. All of our parcels are sent with specially picked couriers to ensure your parcels get to you on time and in one piece.

For more information please check out our Delivery Information Page.

Estimates

Below are some rough postage prices for orders. Please note these are subject to change and are only a rough guide. For a more accurate postage estimate please use the Postage Calculator at the basket.

UK Standard

£6.95

From

UK 24hr Dispatch

£8.95

From

Highlands / Islands

£24.99*

From

* Please note that Scottish Highlands, and Islands postage prices can vary wildly. Please refer to the Postage Calculator at the basket for the lowest possible price.

Returns

We want you to be absolutely happy with our products and services, so we provide the simple Patrol Base guarantee: if on receiving your item you are unhappy with your item for any reason then simply send it back to us. We will replace or refund the item.

You can return any item for any reason whatsoever, even if you have just changed your mind, within 14 days of receipt of the order. This is in addition to your rights under the Consumer Protection (Distance Selling) Regulations 2000.

For more information on returning products, and how to do it please visit our Returns Policy Page.

Description

Our current batch of CYMA Sport AEGs are supplied with a USB Charger and an 8.4V 1100mAh NiMh Battery. While these items are perfectly functional, we recommend using a 7.4V 1300mAh LiPo battery and a LiPo Balance Charger for faster charging times, a longer lasting battery and improved peformance. A brief reminder never to leave your battery on charge unattended and always use a Battery Safe Charging Bag

The rifle is front wired, and the battery is stored in the handguard, leaving plenty of space for larger batteries. To release the lower handguard to fit the battery first turn the mock locking screws until they are horizontal, when they both pop outwards slide the handguard slightly forwards and it will drop downwards.

This handguard is a close replica of the legendary Arms SIR rail system, and has a unique look, making it unlike anything else out there on the battlefield. 20mm Picatinny rails are available at the 3, 6, and 9 o'clock positions, and the top rail is monolithic, allowing for longer optical sights to be mounted, and even red dot sight magnifier combinations!

The top of the rifle features a full length top 20mm RIS / RAS Rail for attaching Sights and Scopes, and the side of the rifle features a sling loop which matches up with the rear sling loop to allow for the use of two-point sling setups.

This AEG features an adjustable hop-up unit which allows spin to be applied to the BB which adds range and accuracy to the rifle. The stock is adjustable, allowing it to be set to 6 different lengths, meaning the rifle can be used by a range of user sizes. This rifle is perfect for those Airsoft Skirmishers who are looking to get into Airsoft, and are wanting a budget beginner rifle which looks a little different and stands out from the crowd.

Features

Full Polymer Airsoft Rifle
Great Beginner Gun
Full Metal CYMA Gearbox
Removable Flash Hider
14mm CCW Alloy Outer Barrel for Tracer Units and Suppressors
S-System Style Handguard
Full Length Top 20mm RIS / RAS Rail for Sights and Scopes
Flip Up Front and Rear Integrated Ironsight
Side Sling Loop
Rear Stock Sling Loop
Six Position Adjustable Rear Stock
Finger Ridged Pistol Grip
Mock Charging Handle to reveal the hop-up unit
Adjustable Hop-Up unit for range and accuracy

Package Includes

CYMA CM.508 S-System M4A1 Rifle
300rnd Mid-cap Magazine

Special Instructions

To release the rear Ironsight first push the Ironsight downwards, then flick backwards the holding catch.

To release the lower handguard to fit the battery first turn the mock locking screws until they are horizontal, when they both pop outwards slide the handguard slightly forwards and it will drop downwards.

Specification

General

Weapon Type	Assault Rifle
Over 18	Yes
Defence / UKARA Required	Yes, No,
FPS (Feet Per Second), using 0.20g BB	Approx. 328fps ± 10%, using 0.20g BB
Site Legal, using 0.20g BB	Yes
Included Items	Magazine Battery EU Pin Charger
User Skill Level	Starter
Warnings	Li-Po - Never Leave Charging Unattended Li-Po - Only Use Approved Chargers Li-Po - Charge in a Fire Safe Area

Weight and Dimension

Weight (KG)	Approx. 1.895kg
Length (Collapsed)	76.5cm
Length (Extended)	85cm

Construction

Primary Colour	Black
Pre Two-Toned	No
Construction	Polymer receiver, stock, buffer tube, handguard, flash hider & sights. Alloy outer barrel & internals.
External Construction	Polymer Alloy
Internal Construction	Polymer Alloy

Weapon Specific

Powered By	Electric
Blowback	None
Weapon Platform	M4 / AR-15 / M16
Magazine Style	STANAG
Fire Selector	Safe Semi Automatic Full Automatic
Safety Features	Trigger Lock
Shooter Configuration	Right Handed
Weapon Configuration	Standard
Weapon Scale	1:1
Suggested BB Weight	0.25g

Hop-Up

Hop-Up Unit	Yes
Hop-Up Adjuster	Gear
Hop-Up Location	Pull charging handle to adjust hop inside dust cover

Furniture

Furniture	Railed Handguard Flip-Up Ironsights Railed Receiver Sliding Stock
Rail System	20mm RIS / RAS
Stock Setting	Sliding
Stock Positions	6 Position
Sight Type	Iron Sights
Sling Options	Stock , Handguard ,

Barrel

Outer Barrel Thread Type	Male
Outer Barrel Thread Direction	CCW (Counter Clockwise)
Outer Barrel Thread Size	14mm
Inner Barrel Length	380mm

Magazine Specific

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

Electric Gun Specific Information

Gearbox

Gearbox Version	V2 Gearbox
Gearbox Wiring	Front Wired

Battery Specific

Battery Connector	Mini Tamiya

Included Battery

Battery Type	Ni-Mh
Battery Voltage	8.4V

Compatible Battery

Compatible Battery Type	Li-Po
Compatible Battery Configuration	Crane
Compatible Battery Voltage	7.4v

Product Testing Data

Test Description	328
Tested Using	ASG Blaster 0.20g BBs

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.

This table should be used for reference, and cannot be used to check one weight against another, as the weight of the BB affects the power.

In order to check if the BB can be used with your replica chronograph using the weight you wish to use and then compare it against the table.

Every time you change weights you will need to re-chrono and check against the table. This is not a conversion chart between weights.

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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