Two likely causes of sooty cases -
1. Pressure too low to expand cases fully.
2. Brass too hard in neck/shoulder; needs annealing. (Not uncommon with PPU brand.)
Nothing in photos indicates...
Type: Posts; User: Parashooter; Excluded Forums: Milsurp Knowledge Libraries (READ ONLY)
Two likely causes of sooty cases -
1. Pressure too low to expand cases fully.
2. Brass too hard in neck/shoulder; needs annealing. (Not uncommon with PPU brand.)
Nothing in photos indicates...