On Zombacalypse prep.
[Remember kids, never select a shotgun for your anti-zombie battery. It's fine for onesy twosies, but Zed comes in hordes, and the shells are heavy to carry in bulk and slow to load.]
The Marine Corps Way and Institutional Memory - Until after WWII, ammo was corrosive and dirty. Rifles that were not cleaned of the corrosive salts could be ruined by rust sitting on a rack in the armory...
2 hours ago