"Don't retreat. Instead, reload!" is a red text modifier on weapons in Borderlands 2
Found on the following red text weapon: Sketer RokSalt, (or any other version of the Roksalt Shotguns) which you get as a reward for "Splinter Group" mission
Grants Weapon Effects[edit]
Extremely fast reload
Increased chance for enemies killed with this gun to drop shotgun ammo