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AIM Sports M4 Carbine Drop in Quad Rail Handguard

31 Customer Reviews

by tom k. on 11/05/2008
"Sorry dude but I've been barking up that tree for a long time. The only solution is either a CASV or a SIR rails. Acutally if you look up Mosquito Molds rails they might be able to fit a small battery in it try that MOSQUITO MOLDS rails. But it's like 110 plus getting the extra battery. But if your rich or willing to spend the money. The problem is that I've tried to find reviews cause I want to make sure, you never know what you buy on the internet, but there's no reviews I found. But there's a chance, I just don't have the money. I hope this helps, any questions just post I always check this blog.
by tom k. on 10/28/2008
"So will it fit on my KWA with no problem or what. Also no one answered my last question. Does it have 9 rail covers or 12. Cause I want all 12 that it should come with but there's only 9 in the picture.
by Kjell-Helge J. on 10/04/2008
"Will this fit a JG m4 Enhanced M733 ?
pliz tell me :D
by zeke m. on 09/18/2008
"Yes this RIS unit WILL fit on a KWA/CA M4. ANY M4 that has a real steel delta ring will be able to fit this RIS unit.
For your money's worth this is the best RIS unit you can buy. Very little no wobble at all. Good metal too, not just some cheap pot metal like all the china made stuff. IMO the slot holes look better than the round ones.. but thats just me.
by William L. on 08/20/2008
"Is a nice fit on the M4. Very sturdy and durable. The rail guards are nice, although may be hard when first used, I suggest boiling the rail guards to soften them up.

by Johnny S. on 07/19/2008
"It will fit good. Due to it is a very tight fit (which is a good thing) and G&G are knowing to have very stable front end (very strong spring tension, a brand new G&G Gr16's handguard is very tight). But I have a custom i'm legend and it has this RIS on it. It is a very good fit. Looks like you should adjust the position of the handguard cap behind the front sight, or lock it in after the RIS is on (since you won't be putting batteries inside the RIS). Make sure you have the battery wire out before you lock it in so you can connect your PEQ.
by George B. on 02/13/2013
"I bought this for my KA M4A1 Ultra Grade. It was really hard to install but it has ZERO wobble. What can I say it does its job. Also the Rail covers it comes with don't fit.....

no wobble
does its job
comes with rail covers

hard to install
rail covers don't fit
by Daniel F. on 11/27/2011
"this is an excellent rail system.


Full metal
rubberized rail covers


doesnt fit on G&G Combat Machines without mod..
by Charlene B. on 11/22/2011
"Fits a King Arms M4 perfectly. Finish is alot better than how it looks in the photo. Seems like a good buy for $55.00
by isaiah r. on 03/17/2011
"I bought this for my Matrix M4 challenge kit and had a very difficult time putting it on. It was a tad to long so the delta ring is pushed up against the upper reciever so it is not coming off any time soon. When attaching the RIS system make sure to line the screws on the left and right of the barrel cause if its on the top and bottom some vertical grips or attachments wont slide on. Overall not a bad buy and It is good quality.
by Adam S. on 04/04/2009
"I got this RIS Set for my G&G GR-16 and it does look good and eventually fit well. Just getting this makes your rifle look better.

The only bad thing about this is the quality control must not be great because mine did not fit at first. I had to file down a little metal knob to make it fit. Once you do this it is extremely sturdy. Mine does not budge even with rough use and a vertical foregrip.

One other thing I don't like is you can NOT store a battery inside the rails. This means you either need to store it in a PEQ box, crane stock/full stock, or battery pack and to me the only one that looks good is changing the stock. Currently I have a PEQ box and it works; it is just a bit of an eye soar.

The rail covers look like crap, however they do their job. They cover the rail to make it more comfortable and fit fine.

In Conclusion, if you want your M4 style rifle to look more tactical, get this.
by Sabrina G. on 03/03/2009
"This is a great piece of equipment, easy to install and self explanatory when installing. However with that being said, it was a little bit longer than the hand grip on my Echo 1 M4A1 so I had to take off the front sight to put it on.
by tom k. on 10/06/2008
"Will it fit on a KM4, also does it come with 12 rubber paddings or 9 cause I only saw 9 in the picture
by Silvia Z. on 11/05/2008
"I'm sorry if this is a dumb question but I am thinking of buying an M4 where the battery is stored in the front of the gun (where these are located) and i was wondering if these would have enough room for the battery that comes with the gun?
by Kris P. on 07/18/2008
"I have this and a gr16. i can make it sort of fit after 2 hours of struggling. so Basicaly the answer is not properly.
besides that it is great quality.