With 12.5” 27.2gr a2200, 2369 mv 120 sst
18” a2200 27.2 a2200, 2503 mv 120 sst
using new brass, i think 30 sd if i remember
sized 27.4-5gr a2200 2444 on 12.5”, and 2564 on 18” with 120 sst.
Per strelock-pro, sst should open up to 300 and 350 yards with 27.2 gr on 120sst.
I am a new reloader, and stocked up on sst after taking game this season. Just sharing my experience. good luck.
LPVO on 12.5, and 18”
pulsar trail on 12.5 with side dot