Air Force Texan LSS Air Tank Help

I am new to these higher end airguns. As I posted in my introduction in General Discussion yesterday, I acquired several nice airguns from a friend's estate.
So please excuse my ignorance. Firearms I'm experienced and some more basic airguns.

The 1st 3 photos are of this .257 cal. PCP. The 3rd photo is a closeup of the attached air tank. The 4th photo is a closeup of the ends of 2 other tanks I got with the rifle.
Obviously for a different rifle. My question: can these 2 tanks be converted to fit this gun. And can someone direct me to a few sites I might find what I need?

Second question: Any recommendations for a compressor to fill these? Casual use at home. Are dedicated manual pumps worth considering?

Thanks,
Kris Rademacher
USA

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I cannot help you with the guns nor fittings. But as for a compressor that won't break the bank (dunno how tough your bank is) the GX-CS4-I is a solid compressor. For a few $$ less, you can get the GX-CS4 (has external power supply as opposed to internal).

Good luck getting this gun shooting!
Thank you. I’ll look into these.