Umarex 1250

Is that a thing?🤔🤷‍♂️
I've always filled mine barrel up bc the gauge is in line with the barrel*snowpeak pp800r

Sometimes, when filling from empty, the poppet won't seal right away. Cocking the rifle and using gravity can help the poppet seal. If the gun already has air in it, this doesn't matter.
 
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