At over 12 minutes long a rather long video but a good overview of this very powerful air rifle and PCP air weapons in general. Made in South Korea and costs slightly under $700 US...Pre-charged pneumatic air rifles are gaining popularity in the US. They are relatively quiet, very powerful and in the US there are NO restrictions on purchase and no limit on the velocity or foot pounds of the projectile.

PCP guns (pistols are also sold) typically operate with compressed air at around 3000 PSI or more. They have an air reservoir that allows multiple shots with one charge. The air reservoir can be recharged with a scuba tank, a special foot pump or a standard air compressor plus a "shoebox" pressure booster that you can buy online.