What is the adjustment on the front of a scope for?

Parallax Adjustment / Target Focus: This scope adjustment brings the target image into the same focal plane as the reticle. This ensures that there is no parallax (relative shifting of position between two objects you’re looking at) and that the target image is in focus.

What does drilled and tapped for scope mounts mean?

Today, virtually all hunting rifles are “drilled and tapped,” which means they have holes drilled in the top of the receiver by the factory or a built-in “Weaver-style” or “Picatinny” rail that enable anyone to mount their own optic.

What is the bell on a scope?

The front of the scope tube widens to accommodate the objective lens, and this flare is known as the objective bell. The rear of the scope widens to house the ocular lens, and this wider portion is known as the ocular bell.

What does it mean to slip scope rings?

Typically, when you hear that a scope is slipping in the rings, the conclusion is that the rings aren’t tight enough and the solution is to tighten them.

What is the torque for rifle action screws?

Muzzle Velocity Stats – Statistics for Shooters Part 2

What does 40mm mean on a rifle scope?

This means that the image you see through the scope appears three times (3x) closer than it does with your naked eye. The 9 means nine power, or nine times (9x) closer than it appears with your naked eye. The forty (40) is the objective lens diameter in millimeters.

What is rifle scope parallax?

Parallax occurs when the target and reticle are on different planes within the scope. It is detectable when you move your head or eye around while looking through the scope and the reticle appears to move or swim around the object you at which you are aiming. Rimfire or pistol scopes are set at even less.