Broken injection valve, help!

[Hamlet]

Hi guys, my damn injection valve (G17 magazine) has broken... I need a steel replacement for it But there's is some diameters that's confuse me (5mm / 6mm), so which one should I pick?

https://www.rainbow8.com/products/gunsmodify-stainless-steel-upgrade-injection-valve-for-marui-we-vfc-umarex-gbb-set-of-2?variant=11181200310308

https://www.shootercbgear.com/product_info.php?products_id=12066&osCsid=2542dvnqlano9kmnb0ql9n91p6

https://www.shootercbgear.com/product_info.php?products_id=9502&osCsid=2542dvnqlano9kmnb0ql9n91p6

https://www.shootercbgear.com/product_info.php?products_id=9501&osCsid=2542dvnqlano9kmnb0ql9n91p6