Wow. Hard to believe how the clock speeds up once summer weather arrives.
I was reviewing the lesson plans for AR Familiarization and remembered that we need dummy rounds for the morning session. Had to do brass work, change out the mandrel. 2.23/5.56 is a tiny mouth.
Gotta make them identical in all dimensions.
Seat some 55 grain cannelured FMJ.
No powder, no primers, and clearly marked as dummies. Good to go.
KatNap Fever! 