Prometheus Purple Hop Bucking
Laylax (Prometheus) - Hop Up Rubber & Nub - (Soft, Purple)
Tried and tested design, holding true to the original marui design but with a longer lasting, better gripping material. Also apparently designed to fit better in a hop unit with less air loss.
"Large dimensional tolerance, large genuine chamber packing of product error.
Thereby eliminated by the maintenance of the material and dimensional accuracy was carefully selected air loss that occurs, and improved air-tightness, the oil wear resistance.
Also it is possible to prevent the bullet spills, it is a chamber packing draw to maximize the chamber performance of Marui electric gun.
And provides two hardness according to your preference, also supported to PSS2 aero chamber."