Dave Allen
New member
Quote:
do we measure center to center or outside to outside?
Ruben,Measure outside to outside.Then subtract bullet diameter.
Let's say you're shooting a 223 & after firing a 5-shot group you measure with your caliper's & the measurement is .724..deduct .224 you would have a 1/2" or .5 group.
do we measure center to center or outside to outside?
Ruben,Measure outside to outside.Then subtract bullet diameter.
Let's say you're shooting a 223 & after firing a 5-shot group you measure with your caliper's & the measurement is .724..deduct .224 you would have a 1/2" or .5 group.