How are scopes (like for sniper rifles) accurate?

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When I play FPS games, I notice that the sniper scope is usually a few inches above the barrel, for obvious reasons, but I wonder how it’s possible for the sniper to retain accuracy at such large distances, given that those few inches would make a huge difference.

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Anonymous 0 Comments

Training. No scope (or hard sight) is 100% accurate at all ranges, because bullets don’t travel in a straight line. Gravity will always have an effect. Bullets actually travel in an arc. Usually leaving the barrel (most notably in long guns/rifles) at a slightly upwards angle, and then start falling after a bit. Like this —

https://ke-courses-production.s3.amazonaws.com/asset_files/production/3766/attachments/original/muzzleloader-trajectory.jpg

And experienced/trained marksman (hunter, sniper, etc) knows how to compensate for this at various ranges

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