RED ARMY STANDARD 7.62×39 FUNDAMENTALS EXPLAINED

Fired flawlessly through my Glock. At 21ft went from 10 inch groupings right down to two in groupings applying these things then back to 10 inch groupings just after I employed it. Very clear as day these things is precise with almost NO recoil. Would not want this in the tactical condition but if you wish to see how correct you really consider thi