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Echo 1 OEM Hop Up Unit for M4/M16
[04960 / ECHO M4 HOP UP]
$17.00
by S LUNDRIGAN Date Added: Sunday 19 July, 2009
Product Information:
this is not the best hop up unit. when i put this on a G and G 6.04 barrel, and then put those two in my jg m4a1 enhanced it was double sometimes triple feeding all over the place. the problem wasnt the lubrication of the hop up but the hop up rubber or the actual hop up. i even checked if it was the mag or bbs but they were just fine. if i were you i would keep looking.

Pros:
makes your m4 pretty accurate
comes with everything you need
very sturdy
cheap

Cons:
double feeds
triple feeds
2-peice (not a big con)
hard to get on the barrel

Rating: 3 of 5 Stars! [3 of 5 Stars!]
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