ID: 31187 (RIS-C114)
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MAP ProtectedExempt From Coupons
Matrix CNC Aluminum RIS Rail System for AK74U Series Airsoft AEG
This RIS System is designed for the AKS-74U series airsoft AEGs as a direct replacement for the wood, fake wood and plastic handguards.
- Durable CNC aluminum construction
- Matte black finish
- 20mm Picatinny / Weaver rails allow you to mount your tactical accessories
Matrix / OEM: CYMA
Note: Recommended only for experienced airsoft technicians. Requires slight modification to install.
(Write a review)
"I purchased this for my CYMA AK74U. I followed the instructions in all the videos I looked up to make sure I would install this correctly.
The mounting block that attaches to the barrel is made of two pieces that clamp around the barrel. A good idea, initially. Attaching the bottom half of the rail is where things get hairy.
The bottom rail half is attached to the block by a pair of screws that pass through the rail half and into the block on either side. Due to lack of foresight (?) or poor planning, the bolts open up the mounting block as you tighten the rail half down. This causes the mounting block to lose its previously snug grip on the barrel and slide and roll all around the outer barrel.
The top half is then secured to the bottom half by inserting guide lugs into receiver ports and sliding the rail half into position where four set screws hold it securely in place.
The top rail half has no spacers or receivers for the gas tube hardware, so I was left with large gaps at the front (about an inch and a quarter) and at the rear (about a half inch). Aesthetically, this is bad. There was no affect on performance.
I attempted to modify some of my original and boneyard hardware, but the only thing that had good fitment was the rear gas tube hardware (the part that locks in at the rear sight).
The rail system has enough internal clearance to allow me to fit a broad variety of stick-type batteries into the AK. My LiPo batteries were inserted all the way to the front sight and gave me room to fit another under the dust cover.
In order for this rail system to be truly worth the money, the mounting block has to be redesigned. I'm going to have to tap my own holes to insert my own bolts to keep it snug on the barrel.
It's a good, lightweight rail system, but it does have some really glaring flaws.
Added much needed rail space to my primary CQC weapon.
Major design flaws requiring intensive modification at home.
"I bought this rail system yesterday to install on my Echo 1 AK74 (model no.AEG-E1-JP93). I am pleased to report that installation was simple, despite the lack of instructions. There are youtube videos and forums that give good instructions on how to install, and even if you do not want to use those, the parts come together in a fairly self explanatory way.
+Full metal, parts look good and come with nice markings (rail numbers)
+Enough rail space for most red dot sites and protectors.
+should fit many different AK 74's since it clamps down to the outer barrel,
- Instructions would have been nice
- no mock gas tube (remedied if battery is stored in the front of the gun)
-screw attaching the lower rail to the outer barrel of gun needs to be cinched down very tight to prevent the rails from slipping side to side.
=there is a 1/2 in gap between the top rail and the front sight of the gun.
=some of the screws required a hex key that did not come with the set. I believe that these screws are in mm, so be sure to use a metric set.
Overall, If I was to buy another AK 74 that did not come with front rails, I would buy this again.
"Good build quality but NO INSTRUCTIONS!! Figured how to add the lower rail but couldn't add the upper to my CYMA AKS-74u AEG and even then there was a gap between the receiver the rail and the front which shows it doesn't have a gas tube which bugged me so i left the Faux wood top and just added the lower end and I like it. Still there is no instructions, no info anywhere and no video to help me add it so please Evike add a quick video with some closeups on what i might need to alter to make it fit.
-All Thick Aluminium
-Good paint job, very black
-Painted Rail Numbers
-Still light weight
-Extra parts I have no idea do
-No video or close up pictures of how to add it
-Possible missing mock replacement smaller gas tube/top cover!?!?! IDK
if anyone has pictures or can explain how to add this kit to my CYMA AKS-74u please post!
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