GETTING MY FEDERAL 243 AMMO 100 GRAIN TO WORK

Fired flawlessly via my Glock. At 21ft went from ten inch groupings all the way down to 2 in groupings working with these things then back again to 10 inch groupings following I made use of it. Apparent as day these items is exact with just about NO recoil. Would not want this in a tactical problem but in order to see how exact you actually attempt