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

The barrel and scope are not parallel. When the scope is perfectly horizontal the barrel is pointing slightly up. So at a set distance from the rifle the bullet will hit what the shooter is aiming for. But the bullet will also drop due to gravity over time so at a distance further away it will also hit. This is why it is so important for the shooter to get the distance right and then set the scope to that distance. If the target is closer then he thinks it is then he is going to hit high, and if the target is further away then he thinks he is going to hit low.

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