Thread: Bipod, uphill shooting issue.

Imagine a right angle triangle like this.
You are at the bottom of the hill, and your target is at the top (or vice versa). If you range find the target without a corrected distance that accounts for the angle, it'll tell you the distance of A, and not the distance of B, but the distance of B is longer than A.

Basically when you're shooting up or down hill you are shooting over a longer distance than if you were shooting in a flat line, so you need to use a corrected distance when shooting up or down hill.

Originally Posted by ChrisW

Imagine a right angle triangle like this.
You are at the bottom of the hill, and your target is at the top (or vice versa). If you range find the target without a corrected distance that accounts for the angle, it'll tell you the distance of A, and not the distance of B, but the distance of B is longer than A.

Basically when you're shooting up or down hill you are shooting over a longer distance than if you were shooting in a flat line, so you need to use a corrected distance when shooting up or down hill.

Attachment 230708

This is only if you are using google earth etc. to judge range. If you are using a LRF then the distance it spits out is precisely the distance between the LRF and where the IR splash hits regardless of angle.

The change when shooting at major angles up or down is that the ballistic curve acts very differently due to the change of the angle the gravitational pull has on the projectile. Over very shot ranges like the OP is posting about this should be pretty minimal and might only shift the POI by an inch, not causing total misses.

Originally Posted by Mintie

This is only if you are using google earth etc. to judge range. If you are using a LRF then the distance it spits out is precisely the distance between the LRF and where the IR splash hits regardless of angle.

The change when shooting at major angles up or down is that the ballistic curve acts very differently due to the change of the angle the gravitational pull has on the projectile. Over very shot ranges like the OP is posting about this should be pretty minimal and might only shift the POI by an inch, not causing total misses.

Yep true, depends how the range has been ascertained. Gist is you gotta use the corrected distance, regardless of how you get to that number. Close range its not going to make too much difference, but the further you get out the more it matters. I cant see where the OP has mentioned a distance.
My rifle has an ACI on it (angle cosign indicator) so you can get a corrected distance without a fancy range finder. You can range it with mildot or whatever then times the number by the angle cosign and get a corrected distance without LRF

Originally Posted by ChrisW

Imagine a right angle triangle like this.
You are at the bottom of the hill, and your target is at the top (or vice versa). If you range find the target without a corrected distance that accounts for the angle, it'll tell you the distance of A, and not the distance of B, but the distance of B is longer than A.

Basically when you're shooting up or down hill you are shooting over a longer distance than if you were shooting in a flat line, so you need to use a corrected distance when shooting up or down hill.

Attachment 230708

Correction needed: the actual distance your projectile travels is the line "A", therefore you need to aim lower. Most uphill/downhill shots go over the target.
Secondly, you will get a different point of impact shooting over a bag, and using a bipod. Experiment with both over the same range on flat ground.

Originally Posted by Ranger 888

Correction needed: the actual distance your projectile travels is the line "A", therefore you need to aim lower. Most uphill/downhill shots go over the target.
Secondly, you will get a different point of impact shooting over a bag, and using a bipod. Experiment with both over the same range on flat ground.

You are correct! I screwed that one up haha thanks for pointing it out and getting it right!