HW25

Got one. Bought it new when they were available in this country. Talk about a sweetheart. You know how everyone raves about the R7? Well this 25 (mine is labeled 25L) is even more of a sweetheart than the R7. Don't plan to ever part with either.

Not sure if you'll find a new one in this country anymore. PA sold them at one time but they haven't been listed there for quite a while now. You might try looking at some of the Canadian dealers and see if any of them have one and will ship to the US. But I wouldn't hope for too much as it looks like Weihrauch may have discontinued the little 25. They no longer have it listed on their website. Going used may be the only option from here on for one.

well see that the model is no longer made, the secondary market will be your only hope 

but a HW30s could be a replacement 

the 25 has a 15.25 inch barrel with a length of of 37" weight 4.4 lb 590fps

the 30s has a 15.5 in barrel  length 38.78 in and is 5.5lb  620fps and a Rekord trigger

https://www.weihrauch-sport.de/air-rifles?lang=en

https://www.krale.shop/en/weihrauch-hw30-s/