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Matrix Front End Outer Barrel Assembly for M4 Series Airsoft AEG Rifles
by Larry T. Date Added: Monday 25 February, 2013
I bought this to replace the barrel on my G&G Combat Machine CM16 GBB M4. Fits great. My gun is the railed version. I ditched the D-ring. Also ditched the fake gas tube that was in the gun.

No dremel or hard mods necessary. Although, I had to shim the "RIS cap" onto the barrel with electrical tape since the barrel happened to be thin at that section.

After installation, there is a 1-cm space between the RIS front end and the front sight. Apparently, the G&G measurements are a little different.

In conclusion, installation was painless and pleasant.
This barrel+ G&G GBB Combat Machine= OK

Metal Flash hider is on 14mm CCW threads.

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