Hop Up Barrel Slot Bushing set Fittings Most stock hop up units

Most stock hop up units have loose fitment in the outer barrel

phthalates and bisphenols level requirements

The Type 1 is designed for use with AEG receivers that accept 1-3/16"-16 threaded buffer tubes such as the G&P R3 series

While these may not be the greatest if your playing style embraces the "accuracy through volume" concept

Hop Up Barrel Slot Bushing set Fittings Most stock hop up unitsHop Up Thing Barrel Slot Bushings Stop the wiggle. Lock the hop up in place. Most stock hop up units have loose fitment in the outer barrel, leaving room for the hop up to rotate or shift vertically. Rotation sends BBs left or right. Vertical movement throws off loading consistency and nozzle alignment. Either way, your accuracy pays the price. Barrel slot bushings eliminate that play entirely. They fill the gap between the barrel slots and the Hop Up