You are beyond CLUELESS!
CDS and BDC's are "good" for nothing. I'm all ears in regards to the TMR and substension and I can't wait for you to start "telling" me more.
Laughing.
Here I was under the suspicion,that an M1 eagerly accomodated all bullets,at all speeds and in all atmospheres,to the end of the erector's travel? My bad.
WOW................