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Avengers CNC Aluminum Free Float Rail System for M4 / M16 Series Airsoft AEG Rifles - 12"
by Ellery v. Date Added: January 31, 2014
This is a cautionary review of the Avengers 12" CNC FF RIS unit. I have a Classic Army M15A4 AEG (Spartan Version) bought from Evike and purchased this very rail to install. The installation looks pretty simple if you can get your delta ring off, however the problem is: this rail DOES NOT FIT the AEG I have.

The threading on the outside of the upper receiver around the outer barrel that secures the delta ring for the original hand guards is where the FF RIS screws onto and secures from. The threading of the rail's barrel nut (where it screws onto the gun, it doesn't clamp in like regular quad rails or normal hand guards) is incompatible with the Classic Army Spartan Version M15 series, and I bet that goes for the 9 and 10" variations of this rail as well. I am still looking for a fix so I don't have to spend MORE money on a rail system after this buy.

My advice: do some research and check out the forums before buying, and make sure that your gun is up to spec for the rail that you're eying.

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