RED ARMY STANDARD NO FURTHER A MYSTERY

Fired flawlessly by means of my Glock. At 21ft went from ten inch groupings all the way down to 2 in groupings using these items then back again to 10 inch groupings just after I employed it. Very clear as working day these things is exact with just about NO recoil. Would not want this in a very tactical scenario but if you'd like to see how exact