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Matrix CQB-R 10" One piece Metal Outer barrel for M4 / M16 / M733 series Airsoft AEG

2 Customer Reviews

by Johnathan A. on 12/27/2017
"Very solid. Fits on my cm16 raider with no problem
by Christian H. on 10/10/2013
"I purchased this for my G&G M4 Blockback that had the stock polymer hardguards.

Note: The outer barrel doesn't have the opening to run wires to the front. This barrel was made for rear wired guns.

The stock delta ring slid over the barrel with no issues and was able to secure the barrel to the upper receiver. So the only thing you need to purchase is the front triangle sight to put the front back together. However, I had also purchased the Madbull Daniel Defense RIS II 9.5" (MK18). The outer barrel sticks out about less than a 1/2 an inch. It is CCW threads (Negative).