The gun comes with one.
The scope on the R73 is a fake scope. It really a see through Hopper. You can not replace it with a real scope. You have to use it to fill the gun with BB's.
Apparently Not. See the link below.
yes its awesome buy it
like 200 tops
ya but dont guy it
50-100 USD
Mechanical malfunction of some sort
If you have a local hobby shop, from there. Otherwise, you will have to ship it in.
Dr. Reckeweg R73 Homeopathic Joint-Pain Drops Dr. Reckeweg R73 Joint Pain Drops represent an effective homeopathic remedy for alleviating pain associated with knee and hip joint arthritis, as well as osteoarthritis affecting the vertebrae. These drops are formulated with potent ingredients known to bolster cartilage metabolism and provide relief from the symptoms of osteoarthritis.
See the link below for the owners manual
Charging time is 4 to 6 hrs See the link below