Go to CMP website..
and check their eligibility requirements. If you are over 60 yrs old or are a veteran, you may be waived from the shooting requirement. If you need to shoot to meet the marksmanship training requirement, go to the tab called "Club Info" and click on your state. This will tell you about clubs holding CMP approved matches that, when you complete, will qualify you to purchase any rifle. You also need to belong to a CMP Affiliated Club, State Association, or even the Garand Collectors Association. There is no minimum score needed to qualify, you just need to demonstrate basic firearms safty and familiarization. Good luck, and enjoy.