Thread: Improving 45-70 ammo with a mandrel

Got out and tested the clear coat pc bullets that I gave a minor to medium crimp to. Also used a .457" sizer, 2 minor coats of powder, gas check and .459" sizer to finish.
Very happy with the results. Btw the checks help put a .459" bullet in a .454" neck without bellmouthing it at all. No loss of coat either so that alone is worth the gas check imo.
I've just got a old chrony but it's results were average and workable to leave as is (for 200y plinking)
50m overcast
1.1749
2.1797
3.1742 results 1" high.
100m bright sunshine
4.Error (me)
5.1920
6.1976 results .925" low
200m also bright sunshine
7.error (target too high)
8.1843
9.1935 results 15" drop. The calcs gave 1824fts, 105y zero and a bc of .278 G1




The 438gn did great out to 100m and its average over 9 shots plus the verified fall of shot gave me 1720fts , a zero of 65y and a bc of roughly .2 G1