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AIM Original Sportsline Polycarb Hopup for M4/M16 Series Airsoft AEG
by Erik T. Date Added: Sunday 05 June, 2011
I bought this for my echo 1 stag-15 when my other hop up unit crapped out on me. This thing is worth every penny.

Durable strong material (doesn't feel like it will break on you)
Good hop up bucking that works nicely.
Good hop up nub that works awesome. (used it over my h nub and I like it better)
Looks cool
Great price
Easy to install
Comes in a nice little package well sealed.

Cons: none

If you ever want to upgrade your hop up unit without spending 10 bucks for a bucking, 5 for a nub, and another 10 for the unit. Buy this. It works as good if not better then other hop up pieces. Great buy. I will purchase this for future builds. Matrix and Aim have never let me down.

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