Jing Gong JG081BL-II S-551 Assault Rifle Replica

Jing Gong
Code:
£179.99
  • Full metal externals
  • Electro-mechanical Blowback
  • 20mm Picatinny railed handguard

If you are a lover of classic assault rifles, you will have noticed the absence of this Swiss beauty in AEG form, especially in full metal AEG form. An oft-forgotten platform, the S-55x series are a great alternative to the wealth of AR15s and AKs used by the vast majority of skirmishers. Take the JG S-551 to a Airsoft site and you will turn heads, then when you start shooting you will turn tails!

Full description

Description

Introducing the JG 081 S-551 AEG rifle, an excellent Swiss design that is often overlooked, produced in full metal Airsoft form, complete with Electro-mechanical Blowback! The SG550 rifle, standard issue to the Swiss Military and the basis for this rifle was originally designed in the mid-80s and began production in 1986. With the winter tundra in mind, the rifle was based on the AK47s long-stroke gas piston design and includes some unique features that indicate a very well-thought-out rifle.

Starting at the front, we can find the SG-style birdcage flash hider, finished in gunmetal grey and attached to the 14mm male CCW threads at the tip of the 12.5-inch alloy outer barrel. The threading allows any tracer unit or suppressor to be attached, but make sure you remove the grub screw before attempting to remove the original flash hider. Shortly after this we find the front sight and mock gas block, which features an imitation gas adjustment screw, sling loop on the left side and the fully hooded front sight blade. The piece also serves to hold the imitation heat shield which lies between the barrel and handguard. The handguard itself features full-length Picatinny rails at the 3, 6, 9 and 12 o'clock positions, providing plenty of real estate for mounting accessories such as PEQ boxes, tactical weapon lights, vertical foregrips and rail covers. The handguard features attractive angular vents, giving the S-551 a sleek, dynamic look. Beneath the handguard we can find a mini tamiya connector, with the AK-style stick battery being stored in the mock gas tube in the upper handguard.

As we reach the receiver we can find the front takedown pin, which must be removed in order to release the lower handguard and install the battery. This can be done by unscrewing the cap from the takedown pin on the left side of the rifle and removing the rest of the pin through the right side. The upper receiver features an upward angled AK style charging handle, with the angle chosen to allow the rifle to be charged with either the firing hand or the support hand. The top of the receiver includes a dovetail to mount the included 20mm Picatinny receiver rail, with a discrete but tasteful Swiss crest engraved into the top of the dovetail. The rail is mounted by first indexing it with the dovetail, then adjusting the threaded locking screw so that it sits inside the hole on the front face of the rear sight block, then tightening down the nut against the rail itself.

The rear sight block is home to the multi-aperture dioptre rear sight, with 4 different apertures to choose from for various ranges and light levels. This is a very effective style of rear sight, offering a vastly superior field of view and quick adjustment, and is often found on H&K firearms. The rear sight on the S-551 also features elevation adjustment, leave it to the Swiss to make something German more complex! Mounted to the left side of the rear sight block there is a nice, solid metal sling loop, capable of taking any "HK-hook" type sling.

The lower receiver features an AK-style ambidextrous paddle magazine release, allowing secure insertion and super cool mag flip reloads. The magazine is inserted in a similar manner to an AK, using a "rock and lock" technique. The steel trigger guard can also be rotated to the side, allowing the use of large gloves or even mittens, a trademark of Swiss rifles and a necessity in the extreme cold of this rifle's natural habitat. The fire selector can be found on either side of the rifle, and features a short throw to semi-auto and a longer throw to full-auto, ensuring that full-auto is only selected intentionally. The pistol grip may look familiar...that's because variations of it have been used on many other rifles, including the M249 and modernized AK variants. The grip feels great in the hands and includes linear groves to help keep the rifle firmly in your grasp in all weather conditions. As we reach the rear of the rifle, we can see a nice raised "SG" logo on the top of the stock tang.The stock can be folded by depressing the button on the left side of the tang and it folds to the right. This allows for more compact storage and increases the user's ability to use the S-551 in tight situations, during CQB skirmishes. The stock provides an excellent cheek-weld, putting your eye right where it needs to be to see down the sights. There is an additional sling loop present on the stock, ensuring you have plenty of options when setting this rifle up with a sling. The butt plate is solid, but with a rubberized surface and raised linear texture to keep the rifle firmly in the shoulder of the shooter.

Internally the JG S-551 features a version 3 gearbox with steel gears and other reinforcements. The rate of fire is above average when testing with a 7.4V LiPo, making the blowback feature all the sweeter. The Electro-mechanical blowback gives a satisfying clack, and brings a smile to my face every time I fire it. The adjustable HOP unit can be found behind the bolt carrier and is of a rotary drum type, widely regarded as the best kind of AEG HOP unit for consistency and accuracy of adjustment. This rifle is compatible with all Tokyo Marui aftermarket parts should you choose to try to improve this already excellent rifle.

Features

  • Diopter sights
  • Side folding stock
  • Classic Swiss design
  • Rubberized butt plate
  • Steel charging handle
  • Full metal construction
  • Ambidextrous fire selector
  • Electro-mechanical blowback
  • Adjustable rotary HOP unit
  • Picatinny railed handguard
  • Picatinny receiver rail included
  • Folding trigger guard for gloved use
  • Extended paddle magazine release

Package Includes

  • JG S-551 AEG
  • 220 Round high-cap magazine
  • Receiver mounted Picatinny rail

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. 345fps ± 10%, using 0.20g BB
Site Legal Icon
Site Legal, using 0.20g BB
Yes
Screwdriver Icon
Pre-Built
Yes
Package
Included Items
  • Magazine
  • 20mm RIS / RAS Mount
Skill Level Icon
User Skill Level
Regular Player, Experienced Player,
Patrol Base - Warning Icon
Warnings
The Front body pin is very tight, we recommend that you unscrew the pin at the left side and remove from the right, beware of the retaining spring falling out!

Weight and Dimension

Weight KG Icon
Weight (KG)
Approx. 3.25kg
Weapon Length Collapsed
Length (Collapsed)
63cm
Weapon Length Extended
Length (Extended)
84cm

Construction

Colour Wheel Greyscale
Primary Colour
Black
Colour Wheel Greyscale
Secondary Colour
Black
Construction Icon
Construction
Metal and Polymer
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
Electro Mechanical Blowback
Weapon Platform
Long Gun, Assault Rifle, SG-551,
Magazine Style Icon
Magazine Style
Long Gun Magazine, Assault Rifle, SG552 ,
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
Ambidextrous
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 inside ejection port

Furniture

Weapon Furniture Icon
Furniture
  • Railed Handguard
  • Folding Stock
  • Ironsights
  • Flash Hider
  • Scope Mount
  • Textured Pistol Grip
  • sling points front and rear
  • Multi aperture Diopter sights
Rail System Icon
Rail System
20mm RIS / RAS
Icon Stock Positions
Stock Setting
Folding
Weapon Length Extended
Stock Positions
2 Position
Sight Type Icon
Sight Type
Iron Sights , Aperture Iron Sight, Rotary Drum Iron Sight ,
Sling Plate Icon
Sling Options
Loop

Barrel

Outer Barrel Length (in)
12.5''
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
300mm

Magazine Specific

Magazine Type
High Capacity, AEG,
Magazine BB Capacity
Approx. 220 Rounds
Magazine BB Fill Method
Fill Window
Magazine BB Fill Location
Top

Electric Gun Specific Information

Gearbox
Gearbox Icon
Gearbox Version
V3 Gearbox
Wiring Icon
Gearbox Wiring
Front Wired
Spring Change Icon
Gearbox Quick Change Spring
No
Digital Trigger Icon
Gearbox Electronic Trigger
No
Split Gearbox Icon
Split Gearbox Design
No
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
Stick
Suggested Battery Voltage
7.4v

Product Testing Data

Notepad Icon
Test Description
345 fps +/-10%
Notepad Icon
Tested Using
0.2g ASG BLASTER
Notepad Icon
Test Date
27/8/21

Detailed Power Tests

FPS
FPS, using 0.20g BB
Approx. 345fps, using 0.20g BB

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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