• Set up an environment capable of loadout customization, target spawning with range settings, bullet cam, and an accurate bullet tracking system.

• Pick up a rifle (try all except .408 ammo type that works perfectly).

• Apply a "long range" scope capable of zeroing setting (SOS is the best for testing because it has the most complete zeroing incremental step system in the game with a 300-2300 meters range, 100 meters steps for a total of 21 different steps)

• Set up a set of targets; you should set up a target for every zeroing incremental setting you have on your scope (for example, if you test a SOS scope, you must set 21 targets because the scope can be zeroed from 300 to 2300 meters with an incremental value of 100 meters ).

• Start to test your ammo type for each target distance and for each scope setting.

• Help to understand the problem.

Note: in Arma 3 zeroing settings aren't applied directly on scope inclination but they are converted into exit angle of the bullet from the barrel (you can easily check it using a bullet tracking script/mod ); I think there is an error in the code that manages these angles for every bullet and for every zeroing capable scope.

Note 2: Considering the real world physic, with some basic knowledges of trigonometry we can easily see that an ideal projectile will reach his maximum range when shooted at 45 degrees of inclination. In many cases, in Arma 3 when we surpass a certain zeroing value (that is different between every bullet-scope combination ), the exit angle of the projectile goes over the value of 45 degrees and we start to lose range instead of gain it.

English is not my native language, so I ask to be understanding if I've made some errors.

Regards, Michele.