Your basic polymer G36 hopup unit to replace a broken, worn, or loose one. They include a SHS bucking that has a split nub that better centers the BB in the chamber. The adjustments on these have good holding force so they won't move from vibration or BB pressure. To gain maximum performance out of these (or any hopup unit) I would recommend shimming the hopup arm to totally reduce any play.
This product was added to our catalog on Tuesday 24 April, 2018.
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