An aperture sight lets you aim more accurately and is adjusted more easily . That means that once the peep sights are held, it isnt going anywhere. Peep Show. It depends which .303. Lock the bolt or cylinder in the "open" position if you have to leave your gun - this way, even if the trigger is pulled, the bullet won't fire. You can have the sight connected to the rail base or pop up peep sight attached to the rail. Because its not a terrifically hard kicker, hed been talked into mounting a scope on the rifle. If you pull the trigger with the tip of your finger or your first knuckle, you will move the gun left or right, which moves the front sight, and causes the shot to be off. Everyones vision is a little bit different. You can use these to make adjustments to the locked-down rifle. Let out enough air to be comfortable, then fire the shot at the most relaxed moment when youre the stillest. Since being accurate at a distance with iron sights requires you to see your target, the disadvantage with iron sights comes when you start to stretch out to higher distanced targets. Fire at least a three round group. Understanding the optics -- and how the human eye works with a peep sight -- is a vital first step to mastering a rifle. You will find 2 knobs labeled U and L ( For Up & Left ). Good shooters assess their shots and make corrections to improve to become as accurate as possible. Understanding how to sight-in a target is the first step in successfully aiming with iron sights. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/73\/Aim-a-Rifle-Step-1-Version-2.jpg\/v4-460px-Aim-a-Rifle-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/7\/73\/Aim-a-Rifle-Step-1-Version-2.jpg\/aid148237-v4-728px-Aim-a-Rifle-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"