Proofhouse.com has a store brand name chart that will assist you.
It differs slightly based on WHICH rifle- but in general- a cartridge of ammunition is placed in the chamber, and the action closed. Rifle is pulled into one shoulder, and supported by the opposite...
Cooey made the sure shot but was bought out by Winchester so its a Winchester cooey manufactureHope that helps
20-2000 USD depending on specifics
Unless specifically mentioned in the owner's manual not to, yes.