Bought new for picture frames. Its a bit of a beast though
Fired about 12 nails of the case of 1/2"

Cost new is 320
Cost for a case of nails was 65

Asking 300 shipped for the gun and case of 1/2 nails 4000 pcs

Grex link
http://grexusa.com/grexusa/products.php5?id=CF15AA