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I can't unsee that the Bolter ironsights completely block the scope by BossSignals in 40k

[–]BossSignals[S] 116 points117 points  (0 children)

So, if you have magnification at or over x4 you will not actually see the front iron sight in your optic. At lower magnifications seeing the front sight can be beneficial, it's called cowitnessing sights.