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Matrix Maurshin Clone M500 SSB High Capacity Five round burst Full Metal Gas Shotgun (Full Size)
by John Y. Date Added: Thursday 13 November, 2008
great shotgun, especially for the price.
First off, it is not the ridiculously high FPS that evike says, they chronoed with a single BB
normally, you'd shoot 5 at a time, and with .20s you'd get roughly 300-320, which is great, and still higher then the Maruis. There is no hop up, but that isn't as bad as you think.
That means you can generally use any weight BBs, cuts down on jams, and lets you fire from any angle.
The range is still roughly 70-80 feet with a 3-5 foot spread, plenty for a shotgun.
The externals are very nice, and the paint is durable for a chinasoft gun. The pump bars wobble ALOT, and seem very weak. I'd upgrade to those new shooters design ones, or better, real steel ones, although I think the real steel needs modification.

One handed pump= bad, It even says in the friggin manual. I mean, I've done it before ( : ) ) but I don't do so very often. I find it easier even to do it with the weight alone: Hold the shotgun vertically by the grip, and jerk it downward hard, the weight of the pump itself with rack it, swing the gun forward and stop abruptly, the forearm should slam forward. Faster, and it doesn't stress the gun as much.


The pump is fairly smooth, although there is a bit of resistance at the very end (this is from the internal BB counter).

The barrel and mag tube wobble slightly ,although not enough to compromise the gun.
The sling mounts need swivels to accept slings ($10s most places, evike ran out of em), or a key ring, but I wouldn't trust one to hold up this heavy gun (maybe 8-9 pounds?)
The sights are somewhat cheap, but removable and well suited for use with this gun.
They are ring ghost sights with a front post sight. You might want to highlight the front sight.

Gas is charged in the shell loading area, and this gun holds a good 20-30 seconds of gas, and you should be able to empty all three ammo tubes on one fill, even when you don't let the gas warm up.

Ammo loading is both a blessing and a curse. Three ammo tubes hold 50 BBs each, and you load through a port on the bottom. Rack the pump, turn over, extend ammo tube, speedload until you can see a BB at the edge of the tube. This should be 45 BBs, I do this because it makes it easier to push down the tube. Be careful though, because if you miscount and load anything other then laods of 5, your last shot will have fewer BBs, which means a much higher velocity. This can lead to pain in CQB situations.

This whole system allows you to not need to carry mags, and admittedly, 150 BBs is a huge capacity for a standard shotgun mag, excluding the UTG AEG style high caps.
Personally, I'd have liked to see this shotgun use the TM mag system.
Not only would reloading be easier and more economical, but the shotgun would feel more realistic, and there would be less of a problem having few rounds on the last shot. I think it could be done by modifying extending the feeding port and moving the gas, and it'd be potentially awesome.
In fact, it'd be a design superior to any currently out.

The trigger pull is pretty heavy, and takes some getting used to, especially for users of light trigger pistols and rifles. But the result is awe inspiring. The moss makes a loud pop and a good one foot cloud of gas is visible, especially for the first few shots. The BBs will sail for a good 60-70 feet without dropping, and the gun as a whole is extremely intimidating. Almost ideal for CQB, minus the BB loading. For those fast room clearing and speedball style CQB games, I guess the ammo wouldn't be as much of a problem.

This is currently the most practical true gas shotgun out there, and a great gun.
Perfect as a backup or CQB primary.

I rate this 4/5 only for the ammo system, and the pistol grip version performs much the same, although it is much easier to have on you as a secondary (although no rear sling mount) and/or breacher gun

Personal mods to my gun:

There is an odd part inside that may come loose, if you hear scraping when you rack the pump, that is the most likely reason. You have to turn over the gun, then unscrew the nut at the end of the forearm. Pull the pump away from the action bars (this may take a bit of force) and slide it forward. You will see a metal clip secured by a screw. Remove this, then slide the clip into the pump while pointing it upward, then slide the whole thing back and return the screw. Slide the pump onto the action bars, and lock it with the nut. Test it out to see if the scraping persists. I lost the small screw holding the clip, so I removed it entirely; it seems to have no real effect on performance or feel

When I took apart the gun, I put an oring on the barrel end (the large silver plug) threading. I used the medium width ones, and this helps barrel stability, although I had to use a wrench to tighten the barrel all the way @_@
This little oring trick is something I use for everything, especially threaded barrels.
Note: you must tighten it all the way, otherwise, the outerbarrel and mag tube won't slide all the way in.

Attaching a tac light is a pain in the ass, the only option is a mag tube mount, which may require you to break down the gun and remove the tube and barrel. This also keeps you from mounting a sling :(

I'm going to add a heatshield from a cheapy spring mossberg, and possibly a mock extension for the mag tube.

A side sling mount is one of the essentials for this gun as well.

Rating: 4 of 5 Stars! [4 of 5 Stars!]
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