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Echo1 MAX Series M4 CNC Hop-Up Chamber Unit
[HU-E1-M4CNC]
$37.00
by Logun N. Date Added: Saturday 27 July, 2013
Very high quality hop up. This coupled with the Maple leaf bucking and nub makes for an amazingly accurate combination. Literally no hop applied and my .25s are flying far and strait with stock barrel.

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