The Echo 1 M16 Barrel w/ Hop Up is a replacement barrel for the M16 series of airsoft rifles. The barrel is constructed from metal and the hop up unit is constructed with ABS plastic. If you are building a project gun or just repairing your downed AEG the Echo 1 series of replacements is an economical way to go. All Echo 1 parts are compatible with the Tokyo Marui standard.
2007-10-13 19:22:04 A. ONORATO verified buyer
For: Echo 1 M16 Barrel with Hop up
Can't go wrong with this. I recently bought an M733 and got an 8.5" barrel extension, and threw this in, and it works like a charm. I didn't want to put a tightbore in, because then I would have to upgrade my cylinder, and I'm not ready for that.
This barrel is fairly accurate, and the hop up is pretty good. This package should be worth more than $20.
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