The performance life of your air gun’s valve and seals depends heavily on the cleanliness of the CO2 you’re using as well as the type of seal the cylinder creates against your airgun’s o-ring.
Not just any arrow can be made to work on the Umarex AirJavelin. The AirJavelin's arrows are Carbon FIber shafts that are strong enough to handle the high-pressure blast that propels them at over 300 fps.
