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Matrix M4 SD CQB-R Conversion Kit for M4 M16 Socom-47 Series Airsoft AEG Rifles
by Brandon S. Date Added: February 12, 2012
Comes with everything you need for a nice front-end look on your m4/16, except for shims/o-rings to make the outer barrel fit properly. After figuring out how to install it all (didnt take long, just no instructions with it) the outer barrel would move the slightest bit and allow the inner barrel to move around too. (not good) I found that even after tightening the delta ring down all the way it wouldn't seat all the way against the outer barrel, I fixed this by using two o-rings on either side of the outer barrel flange and it works perfectly now. Another reviewer mentioned his coming with pins, there wasn't any pins in my kit but I do see where there is a spot for a set-screw to hold the outer barrel from rotating (my kit didnt have the set-screw either) but after I added the o-rings, this wasnt a problem anyways. So, all-in-all, a pretty decent kit for a good price.

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