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Review

G&G GS-550
  • Manufacturer 
     G&G
  • Model 
     GS-550
  • Capacity 
     30
  • Weight 
     3500g
  • Power 
     380fps
  • Motor 
     
  • Hop-up 
     adjustable
  • Battery 
     9.6v 1600 mAh (8 cells AK Type)
  • Shooting Mode 
     Safe, Semi, Auto
  • Construction 
     Stamped Steel, Aluminum, ABS furniture

Pros

+Solid metal construction
+Elegant battery solution
+Superb attention to detail
+Smooth operation
+Accurate and Powerful
+Night sights
 

Cons

-Not entirely ambidextrous
-Not all markings present
 

Verdict

A certain hit by G&G's, with superb detailing and excellent performance. It is unquestionably a gun for both the collector and the skirmisher.

 

The G&G GS-550 is a replica of the SIG SG 550. It's real steel counterpart is an assault rifle developed in the 90s by SIG for the swiss army. It is gas piston operated automatic rifle based on the earlier Sig SG 540, while the replica is an electrically operated automatic airsoft gun. But aside from that, how close does the G&G GS-550 come to the gun it aspires to be?

The weld marks are present on the receiver just like the real thing.
Each gun comes with it's own unique serial number.

Overall construction is exceedingly solid, with all parts metal where they are on the real gun, and OD (Olive Drab) ABS plastic furniture comprising the foregrip, pistol grip, and folding skeletal stock. The metal receiver is made from stamped steel which is securely welded together and then joined with a front pin and a hidden screw in front of the stock hinge. The spot weld marks on the receiver imitate the real thing and are very convincing. The receiver is finished in a gun metal grey powdercoat almost exactly like the real steel.

On the receiver are markings showing the gun's serial number which is unique for each individual gun from G&G. Some of the markings from the real steel (Restricted for law enforcement... etc) are missing since this is not a licensed replica (hence the name 'GS' 550) but the gun still looks good with the fire mode markings 'S' in white symbolizing 'safe', and '1' and '20' in red symbolizing 'semi' and 'auto'.

The bolt handle can be removed by pushing down the lever on the bolt.
On the opposite side there is a bot catch which holds the bolt open when depressed, the rubber dust cover is functional allowing the bolt to travel the full distance.
The hop up dial is large and easy to adjust.

The bolt itself shows off G&G's superb attention to both aesthetic and functional detail. It bears the weapon's unique serial number here too that matches with the number on the opposite side of the receiver. The bolt handle can be removed by pushing down on the lever at the back of the dummy bolt, which is used for stripping the gun on the real steel. The bolt has a full travel distance of 10cm and the rubber dust cover on the receiver's slot peel away from the cocking handle smoothly. On the opposite side of the receiver, the bolt catch can be pushed down to lock the bolt in a rear position and make adjusting the hop up easier.

Adjusting the hop up is a breeze, due to the large ejection port and a well designed knobbed dial, hop up is easily adjusted even with thick winter gloves. The Hop up direction is clearly labeled on the hop up chamber with an arrow and 'up' written below it.

The trigger guard can swivel to the left or right for gloved use. Also, the selector switch is ambidextrous.
The stock is solid,comfortable, and sturdy. It also includes a rubber butt-pad.
The right side controls are blocked when the stock is folded.

There are two additional features on the GS-550's receiver. The trigger guard can swivel and lock in either direction allowing gloved users to operate the trigger with ease. This was important on the real steel as the swiss army regularly fought with gloves due to the cold climate there. The other feature on the receiver is the ambidextrous fire mode select lever. The selector is nice and stiff on the GS-550 so there is no risk of accidentally changing modes. However there are no audible or tactile clicks when the lever switches into position so finding 'semi' can be difficult without looking.

Attached to the rear of the receiver is a plastic skeletal folding stock. It feels exceedingly solid, robust, and can take quite a bit of abuse before it will break, not that we recommend abusing the stock. The stock folds to the right and the release to fold it is on the left of the gun, when the stock is folded it locks very tightly into place on a knob on the foregrip of the gun and takes a solid yank before it comes back off. However, when folded, the stock blocks the right side fire mode selector. This may be a problem for some left handed users as they will find folding the stock to be awkward and the fire mode selector on their side blocked, but this is a small concession to what is a great gun with many ergonomic features.

Turning the gas choke knob unlocks the foregrip to access the battery.
The battery is installed into the dummy gas tube and doesn't need to be removed for charging.
The integral bipod can be removed by swiveling it to the side while the upper foregrip is removed.

One of the more impressive features of this gun is the battery solution. The battery is stored inside the long foregrip and above the barrel. Normally you would expect to see the battery through the vents in the foregrip but G&G has come up with an ingenious solution for disguising the battery. To prepare the battery, first we must remove the upper foregrip. to do that we must first unlock the foregrip by rotating the gas choke knob at the front of the gun clockwise by about 30 degrees. This allows the upper foregrip to be pushed forward by about 1cm and then lifted up. Next you push the dummy gas piston housing forward to disconnect it from the battery connection at the back, and lift that out too. If you look up the bottom of the gas piston housing you will see that in this completely separated housing is the battery connector. Remove the front cover from the gas piston housing and insert your favorite 7-cell 8.4v stick type battery into the tube. Connect the wiring and you're done. The gas piston housing is now the battery. The battery doesn't even have to be removed from the housing to be charged. All you need is a charger that uses a large Tamiya plug. Reinsert the now disguised battery, close the foregrip and now you're ready for some skirmishing.

Attached to the foregrip is a removable folding bipod. The bipod legs are 30cm long and when extended provide the perfect height for prone supported firing. The bipod legs neatly tuck away into recesses in the long foregrip when not in use and the gun is still comfortable to hold with the bipod folded. The bipod can tilt due to the grove mounting and removable. To remove the bipod, you must first remove the upper foregrip, then rotate along the grove until it slips out. Then replace the upper foregrip.

The rear sight is of drum type, similar to Heckler and Koch sights, but slightly easier to adjust.
The front sight feature a flip-up night sight,
The extra long BB follower ensures every BB is fed into the gun, leaving no BBs to drop out of the magwell once the mag has been emptied.

Another cool feature on the GS-550 is the sights. The rear sight is a drum diopter type sight similar to those found on MP5s and G3s. The main difference between the Heckler & Koch sights and the GS-550 sights is the elevation and windage adjustment. On the GS-550 it is much more obvious how to zero the sights. An interesting feature is the dummy night-sights on the GS-550. There are two clear plastic dots on the rear drum on the open sight setting, and a flip-up large sight with a white dot on it. An idea would be to buy a glow-in-the-dark marker and mark these dots to make them even more practical for nighttime skirmishing.

So how does this beautiful gun perform in a skirmish?

It has one of the longest barrels of any AEG at a whopping 530mm making this one accurate gun, coupled with a muzzle velocity of 380fps this makes this gun outrange most other stock guns on the field. We tested the accuracy from 10m using 0.20 gram BBs from a bipod down supported prone position. The result was a 1 inch grouping well above the bulls-eye which is not bad considering the barrel and hop-up hasn't been broken in yet.

Here are the raw results from firing the GS-550 straight out of the box.
Once zeroed properly the groupings should look like this.
The GS-550 is a powerful gun, at above 380FPS it can out range many other stock guns on the field.

For skirmish purposes the GS-550 comes with a 30BB low-cap magazine with an extra-long follower so it feeds every last BB, a godsend for people who like realism in their guns. This may not be enough to compete with some high-cap spray and pray players on the field but the power and accuracy of this weapon more than make up for this. In addition the magazine looks convincing and have clips to stack together several magazines for additional ammunition. If that's not enough, tokyo marui magazines also fit and feed well.

G&G has released yet another beautiful replica, faithful to the original real steel, with excellent performance right out of the box in both accuracy and power, and laden with features that makes this a gun for both serious collectors and avid skirmishers.

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