It's about optics to buy for this Special Force Sniper review by the Tactical Rifleman... "Optics are a good thing. They always have been. While they can bring a lot of capability to your particular weapon system, they can also be a liability. Think of all the materials that your rifle is made out of. You wouldn’t want your rail system made out of glass, because it would be bouncing around inside of the HUMMER or helicopter. Yet, that glass objective lens on your scope gets bounced repeatedly by the recoil impulse of your rifle. Why do I point this out? I point it out because I want everyone to also be rocking a good set of back-up Iron Sights? Well, yes, that too."

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