Hatsan NeutronStar. 22 Caliber Pre-Charged Pneumatic PCP Air Rifle

  

What describes Hatsan's NeutronStar the best? What gives it these qualities?

Detachable, caliber specific roto-index magazines. Picatinny accessory rail mounted under the forend.

The NeutronStar is loaded with premium features, and yet it is priced well below its competitors.