5R milspec, my P238 loves the 100gr Berry's HBRN load I listed above. I have shot well over 1500 of them through it in temps ranging from 20F-90F with zero malfunctions and what seems like ridiculous accuracy from a 2.75" barrel. Have to love the locked-breech design. Man I love that gun...
The MG 95gr JHP does sound interesting though. I will say I am curious about the choice of Unique in a .380 cartridge. Is this a compressed load? Unique seems so fluffy, and I know with HP38/N320 I am almost at the bullet as it is.
Also, do you have to charge them by hand, or can you keep the powder in the case on a progressive? (I use an LCT)