I generally sight my rifles at 100 yards, but I recommend researching what range you should zero your specific rifle at, as it can vary depending on the caliber and intended use.
First, set your rifle up on a sturdy platform using a bench rest. Fire 3 rounds at a marked point on your target, if you’re using a metal target, spray paint a dot on it and aim at that dot. Note: Do not shoot metal targets at distances under 100 yards due to the risk of spall (bullet fragmentation bouncing back toward the shooter).
After firing your 3 rounds, either use a spotting scope to check your impacts from the bench, or walk down to the target and inspect them directly. I personally prefer walking to the target.
Next, adjust your scope or iron sights left or right based on where your shots landed relative to your point of aim. A helpful reminder on scope adjustments: the top dial controls up/down, and the side dial control on the right is left/right. After making your adjustment, fire one round and repeat the process until your shots are lined up correctly left to right.
Once your left/right is zeroed, move on to your up/down adjustment. The process is exactly the same, adjust, fire one round, check, and repeat until your point of impact matches your point of aim.
Once both your left/right and up/down are zeroed, you’re all set. Get out there, have fun, and be safe!
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