The SHS Rotary Style Hop Unit Chamber is engineered specifically for Ver.2 M4 gearboxes, delivering a notable improvement in shot consistency. Constructed from durable polymer, this hop-up unit includes a rubber pad and barrel holder to ensure stable contact with your inner barrel, enhancing overall accuracy on the field.
Its optimised rear adjustment system provides smoother and more precise control over the hop-up effect, allowing you to fine-tune your shots according to engagement distance and ammo type. Additionally, this design significantly improves magazine compatibility, reducing feeding issues commonly experienced with standard chambers.
Perfect for upgrading your M4 airsoft rifle’s performance, the SHS hop-up chamber offers reliable enhanced shot grouping and efficient loading during fast-paced scenarios. For further internal upgrades, explore our full selection of SHS parts at Airsoft Direct.






