Accurate Metal Hop Up Chamber for M16/M4 Series

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**Modify's Metallic, Hi-Efficiency Hop-Up Chamber for M16/M4**

Gear Making Accurate Adjustment Easier

Hop-up chamber and bucking mainly provide backspin to BBs as they exit barrel to increase flight duration and therefore range, whose proper adjustment can enhance trajectory.

Modify's Metallic, Hi-efficiency Hop-up Chamber is designed for M16/M4 AEGs. The newly designed hop up arm is now gear driven with precision rapid, accurate adjustment without slipping. The adjustment knob has an O-ring to assure tightness to enhance stability, air-tightness of the hop-up, also raising the efficiency of loading. The pressure point is the rigid type for speed, stability, and accuracy.

This hop-up chamber comes with the standard hop-up arm and also a bonus one with a raised hop up the arm to offer great value for money.

Accurate Metal Hop Up Chamber for M16/M4 Series Features

hop up arm are interchangeable between raised pressure point type to the stock. Gives you two hop up the arm for the price of one.
Redesigned hop up arm by adding an adjustment gear making accurate adjustment easier.
Adjustment button with O-ring to assure tightness.
We hardened the pressure point making the hopper more accurate and stable with faster pressurization