Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to zero a rifle [title] Choose what type of optics or sights to use. [step] There are a number of different options of types of sights to use on your rifle, and even more options within each type. Choosing the correct sight for you requires considering what type of shooting you want to do, at what distance, and what your preferences are.

Ending1: Some more general considerations to consider for an optic sight : [substeps] A wind-able rifle. Wind-operated guns, such as the avis or similar, range between 0.5 psi and 80 psi. Ending2: Some people prefer traditional iron sights, while others like to use high magnification scopes, and everything in between. [substeps] Iron sights are the sights that usually come on the rifle and include a rear sight aperture and a front sight tip. Ending3: [substeps] Use the sight rating chart to determine the exact type of a rifle that would best suit your skill level and caliber. These are usually " common " sights with minimal noticeable differences. Ending4: Think about the type you want, and the types of people you can meet that you can meet your target's specifications. [substeps] You'll need a rifle that has simple stock.

Answer format: ending1/ending2/ending3/ending4