.300 win mag Christensen arms sale or trade

A box of shells through it just my gunsmith getting it set up for my daughter but she has never used it and is showing no interest. Sale or trade has a zeiss conquest 3-12-50 will sell with for more money. I am looking for a Matthew’s lift rs 60lbs. 7mm,7prc, .300 win mag or wsm or prc pretty open to bigger calibre not interested in big bulky looking for a lighter rifle with a shorter barrel.