GETTING MY FEDERAL 243 AMMO 100 GRAIN TO WORK

Fired flawlessly through my Glock. At 21ft went from 10 inch groupings right down to 2 in groupings employing these items then again to ten inch groupings immediately after I applied it. Very clear as working day this stuff is exact with nearly NO recoil. Would not want this inside a tactical circumstance but if you need to see how correct you actu