Umarex Zelos HP Brass Valve IF you prefer a custom

IF you prefer a custom weight reach out to me first before making the purchase

Once there is pressure inside the action the valve will remain closed

They will not work without it

FX Maverick

The shot count/fps will vary depending on the tune

Umarex Zelos HP Brass Valve IF you prefer a customCustom brass valve designed for high airflow high power. Swapping this over from the factory valve will yield 40 50fps depending on caliber, tune, and projectile. On my personal . 25cal w 700mm barrel it is making 73ft lb using this valve along with porting the action barrel. These are cnc machined from brass rod 360 grade and made right here in USA. Specs 7. 5mm valve bore 4x 6. 5mm ports 8. 5mm poppet w stainless valve stem Lighter valve return