Designed for AK-47/ 47S series.
2 types hop up arm.
We hardened the pressure point making the hopper more accurate and stable with faster pressurization.
The Modify adjustable hop up chamber permits one-touch adjustable using the dial and lever, making it an accurate hop up system.
Hop up arms are interchangeable between raised pressure point type to the stock.
Gives you two hop up arm for the price of one.