Hop-Up

Rock branded general hop-up.It comes with 2 flaps and 3 grub screws for your hop-up adjustment.Outer diameter :11mmInner diameter : 9.5mm..

This super low profile adjustable internal hop-up will sit partially inside your outer barrel making it not visible with a muzzle on.This latest internal hop-up is not made with brass. Comes with a grub screw to adjust your hop-up.*Notes*Recommended to secure the hop-up with a semi permanent glue li..

The most well known hop-up brand is back with a new hop-up modelThe DK Gen 13 hop-up.Comes with 2 hop up plates and grub screws to adjust the spin of your gel balls...

Direct drop in replacement inner barrel and hop up for ARP-9.Hop-up is adjustable..

This super low profile adjustable internal hop-up will sit partially inside your outer barrel making it not visible with a muzzle on.*Notes*Recommended to secure the hop-up with a semi permanent glue like UHU.Do not push the hop-up too deep into the outer barrel. The 3D printed part should sit outsi..

If you don't like a visible hop up sitting inside your muzzle/silencer, then this is for you.The hop-up unit sits flush with the inner barrel with the same outer diameter of 9.5mm. This hop-up and inner barrel combo remains hidden inside your outer barrel giving you a realistic look to your blaster ..

3D printed adjustable hop-up for XYL ARP-9 by DK..

DK adjustable hop-up for JY AWM. 3D printed with metal grub screws for securing the hop up and adjusting...

Adjustable 11mm internal hop-up by LDT. Made in nylon...