SSX23 / MK23 CNC Hop Arm
SSX23 / MK23 CNC Hop Arm
SSX23 / MK23 CNC Hop Arm
SSX23 / MK23 CNC Hop Arm
SSX23 / MK23 CNC Hop Arm
SSX23 / MK23 CNC Hop Arm
SSX23 / MK23 CNC Hop Arm

SSX23 / MK23 CNC Hop Arm

Regular price€10.00 EUR
Tax included.
  • In stock, ready to ship
  • Backordered, shipping soon
  • 1x hop arm

Worldwide shipping starts at 8€ and is calculated during checkout.

Orders are usually fulfilled in 1-2 working days and are sent from Latvia (Europe).

⚠ Duties may apply if you're based outside EU customs union!

This is an improved hopup arm design optimized for SSX23 (it also works just fine on TM MK23). It's made out of solid CNC machined aluminum and is known to increase consistency of the SSX23 hopup chamber due to having no flex and larger concave contact area.

The design is based on the well known H-Arm by Hadron Designs and improves in several key areas:

  • it's made for a tighter fit for clone (non-TM) hopup chamber so it's always perfectly aligned and centered
  • nub contact surface to bucking has increased by 33% to allow bucking to apply hop more evenly
  • nub height has been increased by 50% to make sure that only the nub touches the bucking and the plate doesn't start deforming the rest of the bucking near nozzle
  • nub is better aligned to the SSX23 / MK23 barrel hopup window
  • start of the nub is rounded to gradually apply pressure to improve hop consistency


This CNC Hop arm will fully work with all these models:

  • SSX23 and SSX23 v2020
  • SSX303 (requires Mini Thumbscrew or shortening of original thumbscrew)
  • Tokyo Marui MK23
  • All clone MK23's like ASG, STTi, etc.


Customer Reviews

Based on 13 reviews
Made with precision, but...

Sits perfectly in ASG and TM, but totally over hop even without the hop screw - 0.4g BB flying after 30 - 40 meters to heaven. May be too low gas output. I went back to hadron H arm v2.


Wahnsinnig geil...Maple leaf kann da einpacken

Great performance…

…as well as accuracy and consistency with the Flamingo bucking 50 version in an SSX23 and the 60 version in an SSX303, both with the upgraded hop arm and mini thumb screw - highly recommended !

A must have

In my opinion, it is better than the hadron hop arm. If you must have only 1 upgrade on a budget, it should be this one.


You need this. Seriously. Just buy a couple of them just in case. I did.