GX compressor $369.99 https://www.amazon.com/dp/B07XYRS15R?psc=1&ref=ppx_yo2ov_dt_b_product_details Can do your filling at home or in the field with 12V Air Venturi Avenger $349.99 https://www.pyramydair.com/product/air-venturi-avenger-regulated-pcp-air-rifle?m=5136 If you don't already have...