My 10mm components arrived this week -
New Starline brass
180gr Hornady HAP and FMJ-FP
and a Glock 20 Gen4
I have enuff LP primers and the following powders: W231, Power Pistol, HS-6, H-110, Unique, 2400, AA#9, Tite Group, Lil Gun and Trail Boss.
I plan to try AA#9, Unique and, maybe, some...