Your CCI 200s are completely fine to your Garand. Just Be sure that you always seat your primers below flush. I exploit CCI 34s, but I wouldn't wait for your next to use CCI 200s. If It's important to spend extra money for them you'll be losing your money. Properly https://spencernsuvv.theblogfairy.com/30927123/how-much-you-need-to-expect-you-ll-pay-for-a-good-cci-small-rifle-primer-br4