These two targets are the targets I use for self assessment. Fire five rounds at each prone, sitting, and standing.
10 points for the center ring, 5 points for the rest of the silhouette, 0 for a miss.
300 meter reduced targets:
Click here for 25 yards
Click here for 25 meters
AR15 front and rear sight MOA chart from The Harvard Rifleman
Click here to open in new window
Rough estimating target distance using the A2 front sight post:
Right click and save or print